TM 5-3805-280-24-2
Hydraulic System
23. Measure OD (C) of small and large end of servo
piston (D). Measure ID (B) of small and large end of
bore in cylinder head (A). Subtract the OD from the
ID for clearances.
Servo Piston-to-Cylinder Head Bore--Specification
Clearance .................................................. 0.079 mm (0.0033 in.) nominal
Clearance ............................................. 0.200 mm (0.0078 in.) limit of use
A--Cylinder Head
B--ID
C--OD
D--Servo Piston
TX,33,UU3783
1921SEP9816/17
24. Measure OD (C) of servo piston pin (B). Measure ID
(D) of bore in valve plate (A). Subtract the OD from
the ID for the clearance.
Servo Piston Pin-to-Valve Plate Bore--Specification
Clearance .................................................. 0.051 mm (0.0020 in.) nominal
Clearance ............................................. 0.300 mm (0.0118 in.) limit of use
33
3360
38
A--Valve Plate Bore
B--Servo Piston Pin
C--OD
D--ID
TX,33,UU3783
1921SEP9817/17
21-78