Installation Instructions

3 TRANSMISSION
B1700·B2100·B2400 WSM,11770
Check and High Pressure Relief Valve
1. Check the valve (3), (4) for scratches and damage.
2. Check the valve seat in the center section for damage.
3. Check the spring (2) for breakage and wear.
4. If anything unusual, replace the high pressure relief valve
complete assembly.
Cylinder Block Assembly
1. Check cylinder blocks (1) and pistons (4) for scratches and
wear.
If deep scratch or excessive wear is found, replace the
cylinder block assembly.
2. Check that the piston (4), spring (2) and spring seat (3) are in
each cylinder bore.
3. Check the pistons for their free movement in the cyli nder
block bores. If the piston or cylinder block bore is scored,
replace the cylinder block assembly.
Thrust Washer, Thrust Roller Bearing and Thrust Plate
1. Check the thrust roller bearing (1) for scratches and excessive
wear.
2. If worn, replace.
3. Check the thrust plate (2) for scratches and excessive wear.
4. If worn or scored, replace.
B177P099
BOB3POBO
BOB3P075
(1) Plug
(2) Spring
(1) Cylinder Block
(2) Spring
(1) Thrust Roller Bearing
3-538
(3) Check and High Pressure Relief
Valve Assembly (Forward)
(4) Check and High Pressure Relief
Valve Assembly (Reverse)
(3) Spring Seat
(4) Piston
(2) Thrust Plate