TM 9--2520--215--34
0056 00--3
INPUT SCAVENGE OIL PUMP ASSEMBLY REPAIR – CONTINUED
0056 00
FIT AND WEAR LIMITS
PART NAME
CHECK POINTS
ACCEPTABLE LIMITS
Needle bearings
Input scavenge pump body
Internal drive gear
Idler gear
Bearings OD
Bearings ID
Bore ID in pump body and cover
Bearing surface OD of gear shaft
Bearing fit on gears
Bearing surface OD of gear shaft
Bearing fit on gears
To press fit 1.2495 to1.2505 bore
To fit 1.000 diameter shaft
1.2495 to 1.2505 in.
Wear limit 1.2510 in.
0.9990 to1.000 in
to fit on 1.000 diameter shaft
0.9990 to 1.000 in.
To fit on 1.000 diameter shaft
ASSEMBLY
1. Install needle bearings (10) in cover assembly (2).
2
10
10
