BRKT
Removing the PTT motor
Make sure that the tilt ram is fully
extended before removing the PTT motor.
Otherwise, fluid can spurt out from the
unit due to internal pressure.
1. Fully extend the tilt ram, and then open
the manual valve 1 by turning it clock-
wise.
2. Remove the PTT motor assembly 2, O-
ring 3, spring 4, and joint 5.
2
3
4
5
Disassembling the PTT motor
1. Remove the stator 1.
1
9-63
Bracket unit
1
2. Remove the armature assembly 2.
2
3. Remove the brushes 3 and 4, circuit
breaker 5, brush holder 6, springs 7,
and PTT motor lead 8.
4. Remove the oil seal 9.
3
5
8
Checking the armature (PTT motor)
1. Check the commutator. Clean with 600-
grit sandpaper and compressed air if
dirty.
4
7
7
6
9