The Standard Brake Piston
There are two types of brake pistons: A standard brake piston, and a backpressure brake piston.
1. With tool SJ 151B5000-1, push shaft seal (2) out of brake piston.
2. With tool SJ 151B5000-1, press in a new shaft seal (2) with grease.
The Back-pressure Brake Piston
1. Remove the four bolts (55).
2. Remove retainer ring (56) and shaft seal (57). For removal and reinstallation, use tool SJ 151B5000-1.
Repair Instruction
Orbital Motors TMT, TMT FL and TMT W FL
The Brake Piston
520L0351 • Rev EA • Feb 2014
55