TM 9-2320-272-24-4
5-46. TRANSMISSION OIL PUMP AND FRONT SUPPORT MAINTENANCE (Contd)
NOTE
Perform step 8 for transmissions with serial numbers 21628 and
higher.
8.
Install two cross pins (2) in pin holes of front support (1).
9.
Detach and remove main regulator and spring compressor from front support (1).
NOTE
Perform step 10 only if plug was previously removed.
Install plug (3) in front support (1).
10.
Position oil pump (6) to front support (1) and align holes for screws (4) and (5). Install oil pump (6)
11.
to front support (1) with two new self-locking screws (4) positioned 180 apart. Finger-tighten
screws (4).
Install centering band around oil pump (6).
12.
Install oil pump (6) on front support (1) with remaining ten new self-locking screws (4) and two
13.
new self-locking screws (5). Tighten screws (4) 17-20 lb-ft (23-27 Nm). Tighten screws (5) 36-42 lb-ft
(23-27 Nm).
Remove centering band from oil pump (6) to front support (1) and check separation line between oil
14.
pump (6) and front support (1). If mating point between oil pump (6) and front support (1) is not
perfectly smooth by touch, loosen screws (4) and (5). Repeat steps 12 through 14.
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