16-3. TANDEM GEAR PUIP - REPAIR (Contd)
Insert fabricated seal removal tool (App. B, Fig. C-1) into notch between double lip seal (36) and end cover
(30). Tap seal out and discard.
c. Use a screwdriver to remove two plugs (37).
d. Remove two screws (38) and plate (39).
e. Remove four studs (4).
See Cleaning Instructions, para. 2-10.
INSPECT GEAR HOUSINGS (6 AND 21). REPLACE GEAR HOUSINGS IF WEAR EXCEEDS 0.007 INCH
Place a straightedge across the bore. If a 0.007 inch feeler gauge can be slipped under the straightedge in
cutout area, replace gear housing.
b. If cutouts are 0.007 inch or less, gear housing is in good condition and may be used.
INSPECT THRUST PLATES (7, 13, 23 AND 32) FOR WEAR, SCORING, PITTING, OR ERODING.
Erosion indicates oil contamination. Pitted thrust plates indicates cavitation or oil aeration. Discolored thrust
plates indicate overheating, probably insufficient oil.
b. Replace thrust plates if wear exceeds 0.002 inch.
SEE INSPECTION INSTRUCTIONS, PARA. 2-11.