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7.2 TABLE: REPLACEMENT WEAR LIMITS
NEW DIMENSIONS REPLACEMENT
ITEM
MINIMUM
MAXIMUM
WEAR LIMIT
REDUCTION GEARS- Backlash
.004
.008
.020
PINION SHAFT
O.D At Forward Commutator
1.7450
1.7455
1.7440
O.D At rear Commutator
2.997
2.998
2.996
O.D At Forward Bearing
3.3380
3.3387
3.3360
O.D At Rear Bearing
1.7721
1.7726
1.7711
FORWARD COMMUTATOR BUSHING
I.D
1.7495
1.7505
1.7525
REAR COMMUTATOR BUSHING
I.D
3.001
3.002
3.004
CLUTCH DISC THICKNESS
Driving (External Teeth)
.150
.160
.140
Driven (Internal Teeth)
.085
.095
.075
Driven, Thick (Internal Teeth)
.160
.175
.150
CLUTCH PACK THICKNESS-Clutch 1-00100-6000
Forward Pack (Compressed)
1.645
1.785
1.505
Reverse Pack (Compressed)
1.410
1.530
1.290
CLUTCH PACK THICKNESS-Clutch 1-00100-6300
Forward Pack (Compressed)
1.485
1.620
1.365
Reverse Pack (Compressed)
1.250
1.355
1.150
OIL PUMP
IF DEEP GROOVES ARE PRESENT, OR MORE
THAN .006” CLEARANCE EXISTS BETWEEN PUMP
Ream new bushings to .750”
GEARS AND BODY
SELECTOR VALVE
IF DEEP GROOVES ARE PRESENT (.25” DEEP)
DRIVING DRUM SPLINES
IF GROOVES ARE PRESENT VERTICAL TO THE
CLUTCH END FLANGE
SPLINE
SPLINES
ALL SPLINED PARTS
REPLACE IF FIT IS NOT SNUG
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 ...