T-H Marine PT-35
T&H Marine CMC PT-35 Hydraulic Tilt and Trim 52100 Instruction Manual
Model: PT-35 | Brand: T-H Marine
Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your T&H Marine CMC PT-35 Hydraulic Tilt and Trim unit. The PT-35 is designed to provide power tilt and trim functionality for outboard motors up to 35 horsepower, enhancing boat performance and maneuverability, especially in shallow water conditions.
Please read this manual thoroughly before attempting any installation or operation to ensure safe and efficient use of the product.
Important Safety Information
Your safety and the safety of others are paramount. Always observe the following safety precautions:
- California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
- Electrical Safety: The unit operates on 12 Volts DC. Ensure all electrical connections are properly insulated and protected from water. Disconnect power before performing any maintenance or installation.
- Moving Parts: Keep hands, hair, and clothing clear of all moving parts during operation. The hydraulic system can exert significant force.
- Hydraulic Fluid: Use only recommended hydraulic fluid. Avoid skin contact and dispose of fluid responsibly.
- Installation: If you are not mechanically inclined or experienced with marine electrical and hydraulic systems, it is highly recommended to have this unit professionally installed.
Product Overview
The T&H Marine CMC PT-35 is a robust hydraulic power tilt and trim unit constructed from durable aluminum, designed for transom mounting on outboard motors. It provides precise control over your motor's angle, allowing for optimal performance and navigation in varying water depths.

Figure 1: The T&H Marine CMC PT-35 Hydraulic Tilt and Trim unit.
Key features include:
- Electric operation for smooth and quick adjustments.
- Designed for salt water use.
- Suitable for outboard motors up to 35 horsepower.
Setup and Installation
The PT-35 is designed for transom mounting. Proper installation is crucial for the unit's performance and longevity. While the unit is designed for ease of installation, professional assistance is recommended if you are unfamiliar with marine installations.
Installation Steps (General Guidelines):
- Preparation: Ensure the boat's transom is clean and structurally sound. Verify that the mounting area provides sufficient clearance for the unit and the outboard motor's movement.
- Mounting: Securely attach the PT-35 unit to the boat's transom. Note that mounting bolts are typically not included as transom thicknesses vary. Use appropriate marine-grade stainless steel hardware.
- Motor Attachment: Mount your outboard motor to the PT-35 unit. Ensure all connections are tight and secure.
- Electrical Wiring: Connect the unit to a 12-volt DC power source, typically through a marine battery. Install an appropriate fuse or circuit breaker in the power line. Wire the control switch according to the provided wiring diagram (not included in this general guide, refer to product packaging).
- Hydraulic Fluid: Fill the hydraulic reservoir with the recommended hydraulic fluid. Bleed the system as per manufacturer instructions to remove any air.
- Testing: Before full operation, perform a series of tilt and trim cycles to ensure smooth movement and check for any leaks or abnormal noises.


Figure 2: Various views of the PT-35 unit installed on a boat transom.
Operating Instructions
The PT-35 allows you to adjust the angle of your outboard motor relative to the boat's transom, optimizing performance and navigating shallow waters.
Basic Operation:
- Tilt Up: Press and hold the
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