Place oil seal retainer

TM 9-2520-238-34

REPAIR DIFFERENTIAL RIGHT ANGLE GEARBOX -- Continued

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17. Without shim installed, place bearing housing (1) on gearbox housing (2). Secure with two cap screws (3) positioned

180 degrees apart. Tighten screws to 10-25 lb-in (2 Nm) torque. Use torque wrench (WP 0033 00, Item 39).

18. Place oil seal retainer (4) on bearing housing (1). Secure with four cap screws (5) spaced 90 degrees apart. Tighten

screws to 10-25 lb-in (2 Nm) torque. Use torque wrench (WP 0033 00, Item 39).

19. Measure and record gap between retainer (4) and bearing housing (1) at four equal places around retainer and determine

the average of these readings. Peel shim (6) to this thickness or to the next laminate thinner.

20. Remove four cap screws (5) and retainer (4) from bearing housing (1).

21. Lubricate new packing (7) with grease or petrolatum. Install packing on retainer (4).

22. Clean threads of eight cap screws (5). Apply light coat of antiseize compound to threads at installation.

23. Place peeled shim (6) and retainer (4) on bearing housing (1). Secure with eight new key washers (8) and cap screws (5).

Tighten screws to 252-300 lb-in (28-34 Nm) torque. Use torque wrench (WP 0033 00, Item 41). Do not bend tabs on

key washers at this time.

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