Table 7-20. Repair Standards (Output Oil Pump)

TM 9-2520-249-34&P

Refer to paragraph 5-2 for cleaning recommendations.

7-1.37. Inspection and Repair

Refer to paragraph 5-3 for general inspection and repair

recommendations.

7-1-38. Repair Standards

a. Refer to paragraph 5-4 for explanation of

repair standards.

b. Refer to repair standards table 7-20).

7-139. Assembly

(FO-8)

a. If three sleeve bearings (30) were removed

from pump body (31), install new replacement parts.

Install the bearings into the body from the outside face.

Press them in until they are flush with, to 0.010 inch

below. the outside face of the body.

b. If two dowel pins (32) were removed, install

Figure 7-50. Output oil pump components

new replacement parts. Press them into the body so

that they project 0.375 inch from the mounting face of

b. Remove the pump drive gear from the

the body.

pump body.

c. Install two idler gears (34) into the pump

c. Remove the two idler gears from the pump

body.

d. Install drive gear shaft (33) into the pump

d. Do not remove the two dowel pins from the

body, long shaft end first.

pump body, unless necessary. If necessary, remove the

e. Install pump cover (35) onto pump body

dowel pins.

(31).

e. Do not remove three sleeve bearings (30,

FO-8) from pump body (31) unless necessary. If

necessary, remove the sleeve bearings.

7-136. Cleaning

Table 7-20. Repair Standards (Output Oil Pump)

Wear limit

Reference

Size and fit

DS/GS

Foldout

Item

Point of measurement

of new parts

maintenance

30a

inside diameter of hearings...................

05 to 0.5015

0.5020

33a.

Out side diameter of shafts at hearings.

0.4995 to 0.5000

0.4992

34a

30a,

Fit shafts in hearings ............................

0.0005L. to 0.0020L

33a,

34a

30b

Outside diameter of hearing .................

0.6270 to 0.6280

31a

Inside diameter at hearing bore of body

0.6245 to 0.6255

30b

Fit of bearing in body............................

0.0015T to 0.0035T

31a

Outside diameter of gear shafts at needle 0.4995 to 0.5000

0.4992

hearings

39a

Outside diameter at hearing surface of gear 3.751; to 3.7528

39b

Outside diameter of gear hub at lip seal

3.5000 to 3.5005

3.4980

surface

*Replace when worn beyond newt dimensions.

7-44