GMC 1989 Light Duty Truck, Руководство по ремонту, Страница: 961 / 998

NEW PROCESS 241 TRANSFER CASE 7D2-9
J 36371
J 36371
6
.
8
.
F ro n t O u tp u t B e a rin g
P u m p H o u s in g
F-05430
Figure 13—Installing the Pump Housing Bearing
INTERNAL COMPONENTS
*
Assemble
1. Synchronizer hub (31) to the synchronizer sleeve
(29) along with the three struts (30).
• Align the previously made scribe marks.
2. Spring retainer (32) to the synchronizer sleeve (29).
3. Main drive s y n c h ro n iz e r stop ring (28) to the
synchronizer sleeve (29).
|-n-| Install or Connect
1. Drive sprocket (20) to the m ainshaft (19).
2. Planetary input gear assembly (38) into the annulus
gear (62) using a soft faced hammer.
3. Bearing retainer (snap ring) (39) to the input bearing
(40).
4. Input bearing retainer bolts (43) and input bearing
retainer (44) to the front case half (45).
• Apply RTV or equivalent on bearing retainer
mating surfaces.
• Apply Loctite 242 or equivalent on bearing
retainer bolts.
Tighten
• Bolts (3) to 19 N-m (14 ft. lbs.).
5. Sector with shaft (55) into the front case half (45).
6. Shift lever O-ring (67), plastic washer (66), shift lever
(65), washer (64), and nut (63) to the front case half
(figure 15).
$
Figure 14—Installing the Pump Housing Bearing with
J 36371
Tighten
• Nut (63) to 27 N-m (20 ft. lbs.).
7. Range shift hub (34) and the range shift fork into the
front case half (45).
• It is necessary to rotate the sector to align the
range shift fork.
8. Synchronizer assembly, mode shift fork (54) and rail
into the front case half (45) (figure 16).
9. Front output shaft (21) to the front case half (45).
10. Driven sprocket (22) into the chain (58).
11. Drive sprocket (20) and m ainshaft (19) into the chain
(58).
• M ainshaft (19), drive sprocket (20), driven
sprocket (22) and chain (58) are installed as a
unit.
12. Retainer (snap ring) (23) onto the front output.
13. Fork shift spring (52) onto the mode shift rail (48).,
14. Oil pump pick up tube (18), oil tube connector (26)
and pump pick up screen (35) into the rear case half
(17) (figuer 17).
15. Oil tube O-ring (14) onto the oil pump pick up tube
(18).
N O T IC E : D o n o t d a m a g e th e O -rin g d u rin g
assem bly as this co u ld resu lt in p u m p failure.
16. Oil pump (12) to the oil pump pick up tube (18).
• Apply RTV sealer to the case mating surfaces.
17. Rear case (17) over m ainshaft (19) and onto the front
case half (45).
• Be careful not to damage the oil pum p (12)
while installing the rear case half (figure 7).
18. Case bolts (3) into case halves.
• Apply Loctite 242 or equivalent to case bolts.
• The two longer case bolts and washers to into
doweled case holes (33) (figure 17).