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6.2 SELECTOR VALVE AND
RELATED PARTS
A. REMOVAL
1. Disconnect hoses and control
linkage from lever on selector valve.
2. Remove capscrews and
lockwashers and lift off selector
valve and baseplate being very
careful to keep gaskets in proper
configuration for replacement (They
may be fixed in position with wire,
etc.)
B. DISASSEMBLY
1. Remove retaining ring from rotor
and note position of keyways on
lever to rotor. (Match mark if
desired). Remove lever from rotor
being careful not to lose indexing
ball and spring.
2. Remove key from rotor shaft
3. Note position of cover). Remove
cover, cover gasket, and rotor from
block.
4. Remove safety relief adjustment
screw, washers, spring and plunger.
NOTE:
SPRING IS UNDER
TENSION.
C. CLEANING AND INSPECTION
1. Clean all parts thoroughly with oil
and clean all oil ports. Blow dry with
compressed air.
2. Inspect rotor and valve block for
scoring. Excessive scoring indicates
replacement. Valves are not
repairable.
3. Inspect oil seal in cover. If it is worn
or shows evidence of leaking,
replace it.
Summary of Contents for HY- 6900
Page 1: ...1 HY 6900 HY 7700 SERVICE MANUAL ...
Page 5: ...5 ...
Page 6: ...6 ...
Page 16: ...16 ...
Page 30: ...29 ...
Page 47: ...46 46 ...
Page 49: ...48 48 1 5 CLUTCH Clutch no 1 00100 6000 ...
Page 51: ...50 50 ...
Page 54: ...53 53 8 8 PINION SHAFT AND RELATED PARTS 8 9 IDLER GEAR AND RELATED PARTS ...
Page 56: ...55 55 ...
Page 62: ...61 61 ...
Page 63: ...62 62 8 16 HY 6900 ...
Page 65: ...64 64 8 17 PINION SHAFT AND RELATED PARTS HY 6900 ...
Page 67: ...66 66 HY 6900 ...
Page 70: ...69 69 ...
Page 71: ...70 70 ...