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CONTENTS

Section 1
Section 2
Section 3 Section 4 Section 5 Section 6

HOW TO USE THIS SERVICE MANUAL SPECIFI CATIONS REPAIR MANUAL
Table of Contents Exploded View and Parts List Index of Part Numbers
REPAIR GUIDE Table of Contents Disassembling Methods Adjusting Methods Trouble, Cause and Remedy Inspection Standards
SERVICE TOOL MANUAL
SERVICE MATERIALS MANUAL
PRICE LIST OF CANON SERVICE PARTS
SERVICE MANUAL REPORT

REPAIR GUIDE 1. On the supposition of the most various troubles with the products that might happen , Repair Guide presents as many troubles, causes and remedies for them as possible. But we Canon Camera Company firmly believe that none of these troubles can happen. 2. The troubles are classified according to their mechanism as they are shown in the Table of Contents. Several causes are shown to one trouble and the remedies are arranged according to the causes.
SERVICE TOOL MANUAL 1. Service Tool Manual presents tools which are necessary for disassembling and assembling of the products and other exclusive inspection devices which are necessary to inspect and examine whether or not the products disassembled and re assembled in the process of remedy are in the perfect original precision. 2. As for the exclusive inspection devices, each one of them is described on each one page. 3. Such tools as special screwdrivers and others that are neccessary for disassembling and assembling the products are arranged in numerical order. The number after the hyphen generally shows the part number for which the tool is to be used.
SERVICE MATERIALS MANUAL 1. Service Materials Manual presents chemicals necessary for assembling and adjusting the products and lubricating oil necessary for keeping the precision, in combination with the names of materials and members to be used for. 2. Do not use other chemicals and lubricating oil than those shown here. Please order them as well as repair parts from the Export Department in Canon Camera Company. 3. Service Materials Manual and Repair Manual have the same page number correspondingly so that you may easily identify.
PRICE LIST OF SERVICE PAPXS
1. Price List of Service Parts presents the unit price of the service parts you received from us. 2. The unit price is F.O. B. Tokyo/Yokohama. 3. The page number on the Repair Manual in which each part is described is shown on the right side of each
part so that you may easily identify.
SERVICE MANUAL REPORT Service Manual Report is for the purpose of giving a prompt and exact information when some revisions are made on the products, namely, when the products are partly changed by the rationalization of pro¬ duction, the development of function, change of outward appearance and so on. Therefore, Service Manual Report is to be published whenever any revision is made on the products.

CANON DEMI SPECIFICATIONS

1. Type:

A demi-size (24 x 18mm) precision camera using 35mm film with program shutter coupled to the built-in exposure meter.

2. Lens:

CANON LENS SH 28mm 1:2.8 Compact and short lens of the improved triplet type composed of 5elements in3 components. Coated with spectra coating method. Angle of view is 55 degrees. Zone focusing system by helicoid.

3. Shutter:

SEIKOSHA-L

Program shutter of #000 size.

Behind-the-lens shutter.

Aperture-shutter combination is continuously variable between LV 8 (1 /30 F2.8) and LV 17

(1 /250 F22). Provisions for B and

(flash mark), when manual aperture setting is possible.

4. Flash: 5. Exposure Meter:

Flash mark sets the shutter speed to 1 /30 and the circuit is for X contact.
Built-in selenium exposure meter of match-needle system is coupled to the program shutter. Working range is from LV 6 to LV 17 for ASA 100 film.

6. Viewfinder:

Real image viewfinder of Kepler type, composed of 4 lenses and 3 prisms. Magnification is 0.41 X . Eyesight is 1 diopter.

7. Winding:

Rapid winding lever system. Can be wound by several short strokes. Winding angle is 145 degrees.

8. Film Counter:

Counts upward from zero. Self-resetting.

9. Dimensions:

115 x 68 x 37mm

10. Weight:

380gr.

TABLE OF CONTENTS

TOP COVER .1

WINDING LEVER .1

REWIND CRANK.1

FRONT COVER .1

BACK COVER .

1

SHUTTER.1,2

EXPOSURE METER .2

VIEWFINDER .2

OBJECTIVE LENS.2

WINDING DEVICE .3

FILM COUNTER .3

FRONT PANEL .3

BODY CASE .4

TAKE-UP SPOOL .4

TRIPOD SOCKET .4

SPROCKET .4

BASE PLATE .4

REF. NO. 1-45201

1

PARTS LIST

TOP COVER

19-9464

Top Cover(B. R)

13-7095

Window

13-7160

Window

19-9472

Shutter Button(B. R

X24-170188

Screw x 4

WINDING LEVER

13-2520 13-7006 13-7007 13-7181

Pin Face Screw Spacer Winding Lever Spring Washer

REWIND CRANK

13-7114 13-7119 13-7120 13-7121 13-7124 18-0107 97-1072 XI1-200358

Rewind Crank Rest Rewind Shaft Rewind Fork Spring Nut Rewind Crank(Unit) Bearing Screwx2

FRONT COVER

13-7142

Shaft of Hinge

13-7156

Assemble Collar

13-7162

Leather

13-7163

Leather

19-9462

Front Cover (B. R)

13-7173

Washer

19-9485

Flash Terminal (B. R!

X24-170188

Screwx 4

BACK COVER

13-7071

Light Shield

13-7143

Anti Curl Roller

19-9463

Back Cover (B. P)

13-4115

Light Shield

13-7171

Light Shield

19-9486

Pressure Plate(B. P)

SHUTTER (cf. p. 2)

13-7068 X95-140036

Shutter Ring Screwx3

REF. NO. 1-45201

2

PARTS LIST

EXPOSURE METER

OBJECTIVE LENS

18-0108 XI1 -200358

Exposure Meter (Unit) ScrewX2

SHUTTER (cf. p. 1)

19-9474 XI1-170358 X32-401131 X32-401171 X32-502111 X71-1101

Shutter Charge Rod (B. P.) Screw x 4 Retaning Washer Retaning Washer Washer x 2 Shutter Unit

VIEWFINDER

YO 0-0388

Viewfinder Prism (B. P.)

12- 0077

Viewfinder Prism (B. P.)

19-9475

Prism Base (B. P.)

Y00-0389

Finder Prism Box(B.P.)

13- 7080

Finder Mask

13-7081

Finder Prism Box

10-0075

Lens

10-0076

Lens

10-0080

Lens x2

13-7079

Finder Tube

13-7084

Eyepiece Barrel

13-7085

Assemble Collar

13-7086

Eyepiece Ring

27-8101

Assemble Collar

97-4053

Screw x 3

XI1-200458

S crew

X14-200458

Screw

X32-5023U X32-502312

Washer x N

VX32-502313>

Y 00-0387

Objective Lens (Unit)

13-7076 18-0130 20-2111

Lens Barrel Rear Lens (Unit) Lens

20-2112 20-2113

Lens Lens

27-8099

Assemble Collar

27-8100

Assemble Collar

18-0109

Helicoid (Unit)

27-0049

Focusing Ring

97-8027

Name Plate

X10-170187

Screwx3

3

REF. NO. 1-45201

EXPLODED VIEW

of

CANON DEMI

SCALE 1-1.5

CANON CAMERA CO.. INC. ©>

3
REF. NO. 1-45201 PARTS LIST

WINDING DEVICE

FILM COUNTER

13-7014 13-7022 13-7023 13-7024 13-7045 13-7060 13-7168 19-9466 19-9467 19-9468 19-9471 19-9473 19-9593 97-0077 97-0079 97-5043 97-6118 97-6120 97-6121 97-6125 X10-170187 XI1-170227 XI1 -200358 X14-200458 X32-401131 X32-503611 X32-504611 X32-505222 X91 -173066 X98-050359 X98-060360

Winding Lever Shaft Friction Disk x 2 Assemble Collar Spool Shaft Stopper Lever Sprocket Clutch Nut Winding Device Base (B. P.) Winding Pawl (B. P.) Idle Gear (B. P.) Shutter Charge Disk (B. P.) Shutter Shaft (B. P.) Shutter Charge Lever (B. P.) Winding Gear Sprocket Gear Coil Spirng Spring Spring Spring Spring S crew Screw Screwx 2 Screw Retaining Washer x 2 Washer Washer x N Washer Screw Washer Washer

13-7035 13-7065 19-9465 19-9469 19-9470 97-6117 97-6119 97-6122 97-6123 97-6124 97-6127 97-8026 XI1 -140127 Xll-170127 X32-401131

Stopper Claw Counter Index Counter Gear (B. P.) Counter Resetting Lever (B. P. Feeding Claw (B. P.) Retainer Spring Spring Spring Spring Spring Counter Dial Screw x2 Screw x2 Retaining Washer x3

FRONT PANEL

13-7129 X14-200358

Front Panel Screwx4

3A

REF. NO. 1-45201

EXPLODED VIEW

of

CANON DEMI

SCALE 1-1. 5

CANON CAMERA CO.. INC. '

REF. NO. 1-45201

3A

PARTS LIST

WINDING DEVICE

FILM COUNTER

13- 7014-40 13-7022 13-7023 13-7024 13-7045 13-7168 13-7184 19-9467 19-9468 19-9473 19-9595 19-9597 19- 9599 97-0077 97- 0079 97- 5043 97-6118 97-6120 97-6121 97-6125 X10-170187 Xll-170227 XI1-200358 X14-200458 X32-503611 X32-504611 X32-505222 X91-173066 X98-050359 X98-060360

Winding Lever Shaft Friction Disk x2 Assemble Collar Spool Shaft Stopper Lever Nut Sprocket Clutch Winding Pawl (B. P.) Idle Gear (B. P.) Shutter Shaft (B. P.) Winding Device Base (B. P.) Shutter Charge Disk ( B. P.) Shutter Charge Lever (B. P.) Winding Gear Sprocket Gear Coil Spring Spring Spring Spring Spring Screw Screw Screw x2 Screw Washer Washer xN Washer Screw Washer Washer

13-7035 13- 7065 13-7183 13-7187 19-9469 19-9596 19-9598 97-6119 97-6122 97-6124 97-6276 97- 6277 97- 8318 X10-170187 XU-140127 XI1-170127 X32-401131

Stopper Claw Counter Index Assemble Collar Counter Cam Counter Resetting Lever (B. P. Counter Gear ( B. P.) Feeding Claw( b. P.) Spring Spring Spring Spring Spring Counter Dial Screw Screw x2 Screw x2 Retaining Washer x3

FRONT PANEL

13-7129 XI4-200358

Front Panel Screw x4

4

REF. NO. 1-45201

EXPLODED VIEW

of

CANON DEMI

SCALE 1-1.5

;ANON CAMERA CO.. INC. C

REF. NO. 1-45201

4

PARTS LIST

BODY CASE

13-7126 13-7154 13-7159 19-9461 19-9484 97-2132 97-5046 X32-401201 X95-200035

Hook Hook Cover Light Shield Body Case (B. P.) Back Cover Lock Button (B. P.) Spring Holder Coil Spring Retaining Washer Screw x 2

TAKE-UP SPOOL

13-7130 13-7131 19-9482 X32-502612

Take-Up Spool Spool Holder Spool Shaft r B. P.) Washer

TRIPOD SOCKET

13-7134 X21-170358

Tripod Socket Screw x 3

SPROCKET

13-7061 13-7062 13-7138 13-7139 19-9483 97-5044 X32-401201 X91-141312

Sprocket Sprocket Shaft Bearing Assemble Collar Rewind ButtonfB. P.) Coil Spring Retaining Washerx2 Screw

BASE PLATE

13-7005 X21-170608 X93-170073

Base Plate Screwx 2 Screw

REF. NO. 1-45201

PART NO. 10-0075 10-0076 10-0080
12-0077

PAGE 2 2 2
2

13-2520

1

13-4115

1

13-7005

4

13-7006

1

13-7007

1

13-7014

3

13-7022

3

13-7023

3

13-7024

3

13-7035

3

13-7045

3

13-7060

3

13-7061

4

13-7062

4

13-7065

3

13-7068

1

13-7071

1

13-7076

2

13-7079

2

13-7080

2

13-7081

2

13-7084

2

13-7085

2

13-7086

2

13-7095

1

13-7114

1

13-7119

1

13-7120

1

13-7121

1

13-7124

1

13-7126

4

13-7129

3

13-7130

4

13-7131

4

13-7134

4

13-7138

4

13-7139

4

13-7142

1

13-7143

1

13-7154

4

13-7156

1

INDEX OF PART NUMBERS

PART NO.
13-7159
13-7160 13-7162 13-7163 13-7168 13-7171 13-7173 13-7181

PAGE 4
1 1 1 3 1 1 1

18-0107

1

18-0108

2

18-0109

2

18-0130

2

19-9461

4

19-9462

1

19-9463

1

19-9464

1

19-9465

3

19-9466

3

19-9467

3

19-9468

3

19-9469

3

19-9470

3

19-9471

3

19-9472

1

19-9473

3

19-9474

2

19-9475

2

19-9482

4

19-9483

4

19-9484

4

19-9485

1

19-9486

1

19-9593

3

20-2111

2

20-2112

i 2

20-2113

2

27-0049

2

27-8099

2

27-8100

2

27-8101

o C

PART NO.
97-0077
97-0079 97-1072 97-2132 97-4053 97-5043 97-5044 97-5046 97-6117 97-6118 97-6119 97-6120 97-6121 97-6122 97-6123 97-6124 97-6125 97-6127 97-8026 97-8027

PAGE
3
3 1 4 2 3 4 4 3 3 3 3 3 3 3 3 3 3 3 2

X10-170187 X10-170227 XI1-140127 XI1-170127 XI1-170358 XI1 -200358 XI1 -200458 X14-200358 X14-200458

2, 3 3 3 3 2
1, 2, 3 2 3
2, 3

X21-170358

4

X21-170608

4

X24-170188

1

X32-401131

2, 3

X32-401171

2

X32-401201

4

X32-502111

2

X32-502311

2

X32-502312

2

X32-502313

2

X32-502612

4

X32-503611

3

X32-504611

3

X32-505222

3

PART NO.

PAGE

X71-1101

2

X91-141312

4

X91-173066

3

X93-170073

4

X95-140036

1

X95- 200035

4

X98- 050359

3

X98 - 0603 60

3

CANON REPAIR MANUAL
CANON COLOUR DEMI
(REFERENCE NO. 1-45203) (REFERENCE NO. 1-45204) (REFERENCE NO. 1-45205)
CANON CAMERA COMPANY INC. TOKYO, JAPAN

REF. NO. 1-45203 REF. NO. 1-45204 REF. NO. 1-45205
Canon Colour Demi is absolutely the same product in mechanism as Canon Demi dose, we therefor picked up only parts which are used in the Colour Demi for this repair manual .The rest of the parts are the same parts as 1-45201's, in the case if necesary, refer to the repair manual 1-45201.

PARTS LIST

13-7191 13-7194 13-7195 13-7198 13-7199 13-7502 13-7503 19-9681 19-9682
13-7196 13-7197 19-9683 19-9684 13-7200 13-7501 19-9685 13-7504 13-7505

Base Plate Leather (Red) Leather (Red) Leather (Blue) Leather (Blue) Leather (White) Leather (White) Top Cover (B. P) Back Cover (Red) (B. P)
Leather (Red) Leather (Red) Front Cover (B. P) Back Cover (Blue) (B. P) Leather (Blue) Leather (Blue) Back Cover (White) (B. P) Leather (White) Leather (White)

CANON REPAIR MANUAL EXPOSURE METER & SHUTTER
for CANON DEMI
(REFERENCE NO. 1-45211)
CANON CAMERA COMPANY INC. TOKYO, JAPAN
First Printing, December, 1965

3

REF. NO. 1-45211

EXPLODED VIEW

Of

SHUTTER for CANON DEMI

NO SCALE

CANON CAMERA CO., INC. (R>

5

EXPLODED VIEW

REF. NO. 1-45211

of

SHUTTER for CANON DEMI

§>

^ YI3-0037

NO SCALE

CANON CAMERA CO.. INC. R

6

REF. NO. 1-45211

EXPLODED VIEW

of

EXPOSURE METER for CANON DEMI

Y13-0046

NO SCALE

CANON CAMERA CO.. INC. R

TABLE OF CONTENTS

Disassembling methods

Front Cover .

5

Top Cover .

6

Base Plate .

7

Winding Device Base .

8

Viewfinder, Exposure Meter .

9

Shutter .

10

Adjusting method

Exposure Meter .

11

Viewfinder .

12

Focus .

13

Trouble, cause and remedy

Winding .

14

Windup is impossible

Winding lever return is bad

Winding lever is loose

Winding lever slips

Film slackens

Rewinding .

15

Rewinding is heavy

Rewinding button return is bad

Film counter .

16

Film counter does not move

Film counter stops midway

Film counter does not return

Film counter does not align

Shutter .-

17

Shutter releases when wound up

B (bulb) becomes T (time)

Shutter button shock

Shutter release position is deep

Manual aperture does not cancel

Manual aperture lever does not set

Exposure meter .

19

Shutter ring is heavy

Shutter ring catches

ASA switching is not smooth
Shutter ring at ASA 400 catches at 30- i

Match needle does not couple

LV position is out of place

Exposure meter needle does not move

View tinder .

20

Visibility does not align

Parallax aberration

Viewfinder light leakage

Slanted frame

Fallen image

Synchronization ..

2 1

Synchronization short circuits

Does not synchronize

Synchronization does not work

Back cover . Light leakage Back cover opens Back cover does not close tight
Focus . Focusing ring sticks One side is out of focus Resolution is bad
Inspection standards

FRONT COVER DISASSEMBLING

Work 1. Removal of
shutter ring 2. Removal of
leather
3. Removal of front cover
4. Unsoldering flash terminal

Order

Note

13-7068 Shutter Ring

X95-140036 Screw

13-7162_13-7163

Leather

Leather

2. 1

The leather is to be peeled off only up to the positions of the screws. It does not have to be completely peeled off.

XZ4-170188 ,,

19-9462

- x 4-

Screw

Front Cover

Remove the solder (inner side)

f

r

19-9485

from the tip of ------:--

Flash Terminal

5

moval of )p cover
moval of unding sver

T Q6A- 13-2280 - 1 _13-Z5Z0

Exclusive Tool

Pin Face Screw

__

13-7006_13-7181

Spacer

Spring Washer

moval of ewind rank
imoval of op cover icrew s

13-7007 Winding Lever

13-71Z1 Crank Set
Spring

13-7114_ Rewind Crank Rest

1 3-7 1Z0_13-7119 Rewind Fork Rewind Shaft

1. Z. 1. The fork is inserted with the the handle o the brush.
10 Z. Z. The ring is removed with the exclusive tool (T 06A - 13-7114-

XZ4- 170188 x 4
Screw

1. 3. 1. In the final stage of removing the top cove press the 0 reset leve of the film counter pla

Fig. 4

WINDING DEVICE BASE DISASSEMBLING

S c r ew XI 1-200358 x 2

Work
1. Removal of winding-device base

Order

Xll-200358 0 X14-200458 ---xZ---

Screw

Screw

Note

8

VIEWFINDER, EXPOSURE METER DISASSEMBLING

W ork

Order

Removal of viewfinder

X 11 -200458 S c r ew

X14-Z00458 Screw

Removal of exposure exposure meter

X11-200358 xZ
Screw

Note

9

Fig. 7

EXPOSURE METER ADJUSTMENT

EV8 11 14

1.

Set the film sensitivity at 100 (ASA.) and the aperture stop at 5. 6.

2.

The position of the needle at this time should be aligned to LV11.

3.

If not, adjust with the eccentric screw as shown in Fig. 7 .

4.

After the adjustment has been made turn the ASA ring and the shutter ring

and check to see if they revolve smoothly and lightly.

5.

Also refer to Inspection Standard 7-1.

11

Fig. 8

VIEWFINDER ADJUSTMENT Fig. 9

Fig. 10

Using the field-of-view collimator set the camera on the supporter.

Order 1.
2.

Open the back cover, set frosted glass against the aperture and look at Fig. 8. Match the picture frame to Fig. 8. (Picture frame limit 90% ± 3%) Look into the finder and check the deviation.

Adjustment *

Vertical adjustment (Refer to Fig. 9)
Facing too far up (to lower)-^ put washer on A. Facing too far down (to lift)-put washer on B.

*

Horizontal adjustment

After loosening the screws shown in Fig. 9 adjust by moving (turning)

the tip of the finder.

*

Slant adjustment (image)

Loosen the 3 screws on the prism base and adjust by turning to right

and left. (Refer to Fig. 10)

*

Slant adjustment (frame)

Adjust by slanting the entire finder.

12

TROUBLE, CAUSE & REMEDY

WINDING

Windup is impossible

1.

Stopper lever movement is bad.

In order to improve the movement of Stopper Lever 13-7045 in Fig. 11,

strengthen the spring or remove the washer.

Z.

Too many washers.

Here also, improve the movement of Stopper Lever 13-7045 with the

washer.

3.

Stopper Lever touches shutter charge lever.

Adjust with the washer or slightly bend the part that is causing

friction.

4.

Stopper Lever touches winding device base.

File off the tip of Stopper Lever 13-7045.

Fig. 12

Claw Tip

5.

Spring is weak.

Refer to Clause 1.

6.

When shutter is released there is no gap between stopper lever and shutter

charge lever. Widen the gap of Shutter Charge Lever 19-9593 and make the gap

between Stopper Lever 13-7045 and Shutter Charge Lever. (0. 1 -0. Z

mm.) (Refer to Fig. 11)

7.

Shutter charge rod movement is bad.

Adjust with washer in Fig. 13-A.

Fig. 13

-t-
i Shutter
Charge Rod

Shutter \ Charge
Lever

8. 9. 10.

Shutter charge rod is bent. Repair the bend in Shutter Charge Rod 19-9474.
Eccentric screw of shutter charge rod is tight. Enlarge the hole of Shutter Charge Lever 19-959 3 with a file.
Retaining washers of shutter charge rod are loose. Attach Retaining Washer X 32 -40 1 1 31.

14

11. Shutter is bad. Replace Shutter Unit X7 1-1101.

Winding lever return is bad

1.

Base is bent.

Replace Winding Device Base 19-9466.

Z.

Shaft is eccentric.

Replace winding shaft (numerous in old winding device base.)

3.

Surface of friction disk is bad.

Replace Friction Disk 13-70ZZ or readjust parallel.

Winding lever is loose

1.

Shaft and Screw (C70Z5) are loose.

R etighten.

Z.

Pin Face screw is loose.

Retighten.

Winding lever slips

1.

Winding pawl slips.

When the winding pawl under the winding device base slips, replace Winding Pawl 19-9467 or readjust the angle.

Fig. 14

Film slackens

1.

Spool torque is weak.

Retighten Assemble Collar 13-70Z3 to strengthen the friction or replace

Friction Disk l3-70ZZo

Fig. 15

Z.

Assemble collar does not tighten completely.

Replace Spool Shaft 13-70Z4 or Assemble Collar 13-70Z3.

Rewinding is heavy

1.

Rewind crank shaft needs oiling.

Put on Perma-Lube Ad-1.

15

2.

Spool torque is heavy.

a. Remove the burr on Friction Disk 13-7022.

b. Insert washer in between the friction disks (Between 2 disks).

c. Put Liquid Molybdenum grease on the friction disk.

Rewind button return is bad

1.

The burrs are on the key screw surface of sprocket clutch.

Remove the burr on Sprocket Clutch 13-7060 with a file.

Remove the burr.

Fig. 17

Sprocket Clutch
m

2.

Key screw is too long.

Replace Screw X91-141312.

3.

Coil spring is weak.

Strengthen or replace Coil Spring 97-5044.

4.

Rewind button movement is bad.

Rut Liquid Molybdenum on the rewind button. However, when the

movement is especially bad replace Bearing 13-7138 and Rewind Button 19-9483.

FILM COUNTER

Film counter does not move

1.

Resetting lever pressure is insufficient.

Extend the tip of the lever by tapping it, or replace it.

Fig. 18

ft^Tapping

' Dow el

2.

Feeding claw spring is weak.

Strengthen (A).

Slightly strengthen (B).

Fig. 19

3.

Springs have come loose.

Be especially careful against each spring release.

4.

Stopper claw hits bottom surface of feeding claw.

File off the dowel.

Eccentric Screw B

Fig. 20

Eccentric Screw A ^ Feeding Claw
Stopper Claw

16

5.

Friction between stopper and feeding claws.

Raise the feeding claw. (Refer to Fig. ZO)

6.

Adjustment of feeding and stopper claws is bad.

Check the strength of each spring. Turn the eccentric screws of

A and Band adjust the feed quantity. The tip of the feeding claw should

be slightly longer than the stopper claw (0. Z - 0. 3 mm). Adjust by filing.

(Refer to Fig. 19).

Film counte r stops midway.

1.

Bad adjustment.

Adjust the feed quantity by slightly increasing the feed quantity and

make the film counter dial return a little after the stop claw catches.

Z.

Bad tooth shape.

Replace Counter Gear 19-9465.

Film counte r does not return

1.

Resetting lever spring is weak.

Strengthen Spring 97-61ZZ.

Z.

Resetting lever tightening dowel hits plate dowel.

File the dowel. (Refer to Fig. 18)

3.

Feeding claw slips from resetting lever.

Bend Feeding Claw 19-9470 downwards. (Refer to Fig. ZO)

4.

Spring presses against film counter dial shaft.

Replace Spring 97-6119.

5.

Counter dial rubs against index mark.

Bend Counter Index 13-7066.

Film counte r does not align

1.

Stopped by feeding claw due to insufficient adjustment.

Make adjustments so that the feeding claw is parallel with the stopper

claw or slightly indented.

21 Fig.

_z/
_ZZ--
/ Feeding Claw Stopper Claw

Z.

Gear hole is large.

Replace Counter Gear 19-9465.

3.

Attachment of counter dial is bad.

Attach Counter Dial 97-80Z6 in the center.

SHUTTER

Shutter releases when wound up

1.

Shutter does not charge.

Readjust shutter charge position.

Fig. 2Z

17

2.

Shutter shaft is always pressing against release lever.

Turn Nut 13-7168 on the tip of the shutter shaft to the right, push in,

and make the entire shutter stroke shorter.

3.

Shutter shaft movement is bad.

Put Liquid Molybdenum on the part of the stroke where friction arises.

4.

Shutter is bad.

Replace Shutter Unit X71-1101.

5.

Circuit wire touches release lever and shutter shaft.

Repair the wiring so that it does not touch the shutter shaft and the release lever.

R (bulb) becomes T (time)

1.

Shutter shaft is always pressing against top cover.

Make the stroke longer in the same manner as mentioned in preceding Clause 2.

2.

The stroke while the shutter opens and closes is deep.

Replace Shutter Unit X71-1101.

3.

Release lever return is bad.

Replace Shutter Unit X71-1101.

Shutter button shock

1.

Shutter stroke is too short and presses coil spring.

Make the shutter stroke longer. (Refer to Fig. 23)

2.

Shutter button separates from guide shaft.

Bend the tip of Shutter Button 19-9472 downwards.

3.

Circuit wire touches shutter shaft and release lever.

Repair the wiring.

Shutter release position is deep

1.

Shutter shaft adjustment is bad.

Readjust the shutter stroke.

(Refer to Fig. 23)

Manual aperture does not cancel

1.

Spring has become loose.

Reattach coil spring A on the backside of the shutter unit.

18

TESTING EQUIPMENT Use Focus
Field of View Exposure Meter

CANON SERVICE TOOLS LIST
CANON DEMI (REFERENCE NO. 1-45201)
Name of Testing Equipment 1. 200mm t-type collimator - 1 2. Plastic stand for Canonet to 200mm t-type collimater-2 3. Mirror for Canonet - 2 1. Universal parallax collimator - 1 2. Frosted glass for focus 1. Inspection device for Canonet meter

SPECIAL SCREWDRIVERS
T06A -C2280 (13-2520)

n
U

Tightening Pin Face Screw See Repair Manual P. 1.

TO6A-C7023 ( 13-7023)

Tightening Assemble Collar See Repair Manual P. 3.

TO6A-C7024 (13-7024)

Tightening Spool Shaft See Repair Manual P. 3.

TO6A-C7072

K

(27-8099)
l

Tightening Assemble Collar See Repair Manual P. 2.
1

TO6A-C7025 (13-7014)
T06A -C7074 (18-0130)
I

Due to Spool Shaft being

a

weak, Winding Lever Shaft

£

takes it's place.

See Repair Manual P. 3.

Tightening Rear Lens See Repair Manual P. Z.

TO6A-C7075 (Z7-8100)

Tightening Assemble Collar See Repair Manual P. Z.

T06A -C7076 ( 13-7076)
T06A-C7139 (13-7139)

Tightening Lens Barrel See Repair Manual P. Z.
Tightening Sprocket Assemble Collar See Repair Manual P. 4.
2

TO6A-C7077 (18-0109)
TO6A-C7078 (27-8101)
T06A-C7114 (13-7114)
T06A-C7138 (13-7138)

Tightening Helicoid See Repair Manual P. 2.
Tightening Assemble Collar See Repair Manual P. 2.
Tightening Rewing Crank Rest See Repair Manual P. 1.
Tightening Sprocket Bearing See Repair Manual P. 4.

3


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