TM 9-2320-289-34
5-21.
TRANSFER CASE MAINTENANCE (ALL EXCEPT M1028A1 AND M1031)
(Con’t).
e.
INSTALLATION
WARNING
1.
2 .
3 .
4.
5 .
6 .
7 .
8 .
9.
Transfer case (4) is heavy. Provide suitable support and use caution
during installation. Failure to follow this warning may result in damage to
transfer case or serious injury to personnel.
NOTE
l If installing transfer case adapter (8) and seal (9), perform steps 1-4.
l If installing transfer case (4), perform steps 6-12,
Lightly coat new seal (9) with hydraulic fluid and install to transfer case adapter (8).
Install transfer case adapter (8) to transmission with 6 new Iockwashers (7) and bolts (6).
Tighten bolts to 30 Ib.-ft, (41 N.m).
install 2 left transfer case shield bolts (13) and upper transmission mounts (11) to transmission
support (12).
Lower transmission and transfer case adapter (8). Remove support from transmission,
ensuring that transfer case adapter bolt holes aline with transmission support (12) bolt holes,
NOTE
Right bolt (16) must be started first.
Install transfer case adapter (8) to transmission support (12) with 2 spacers (14), lower
transmission mounts (15), and 2 bolts (16). Tighten bolts to 40 Ib.-ft. (54 N.m).
Install new transfer case adapter gasket (5) to transfer case (4), alining bolt holes.
Install two 3/8 in. N.C. bolts, with heads cut off, to transfer case (4) to serve as guide pins.
Place transfer case in “4H.” Place transfer case on a suitable jack and raise into position,
CAUTION
Ensure that transfer case (4) is flush against transfer case adapter (8) to
avoid damage to transfer case when tightening bolts (20),
Move transfer case (4) forward and engage transmission output shaft (10) with transfer case
input gear, Continue to push transfer case forward until flush against transfer case adapter (8).
Install 4 bolts (20) and tighten securely, Remove 2 guide pins. Install 2 remaining bolts (20)
and tighten securely,
NOTE
2 left transfer case shield bolts (13) are already in place,
Install transfer case shield (19) with 4 new Iockwashers (17), 2 right transfer case shield bolts
(13), and 4 nuts (18),
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