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FIGURE 2-1. HYDRAULIC PUMP DRIVE SHAFT
1. Hydraulic Pump
2. Shaft Guard
3. Blower Duct
Preparation for Removal
The complete power module, including the hood
and grille weighs approximately 34,750 lbs. (15,760
kg). Make sure lifting device to be used has ade-
quate capacity.
1. If radiator removal is required, refer to Section "B"
for hood and Grille removal instructions. (Power
module may be removed with hood installed if
desired.)
2. Remove driveshaft guard cover (2, Figure 2-1).
Disconnect hydraulic pump drive shaft (4) at the
drive shaft U-joint companion flange mounted on
the alternator (5).
3. Remove main alternator blower ducts to provide
clearance to raise the engine off the subframe
mounts. (Refer to Figure 2-2):
a. Disconnect cables and hoses as required.
b. Remove alternator inlet transition structure (8)
and gasket.
c. Remove wheel motor cooling air duct transition
structure (5).
d. Cover all openings to prevent entrance of
foreign material.
C2-2
4. Pump Drive Shaft
5. Alternator
Power Module
FIGURE 2-2. MAIN ALTERNATOR BLOWER DUCT
1. Electrical Cabinet
2. Intake Duct
3. Alternator Inlet Duct
4. Blower Assembly
5. Wheel Motor Duct
Transition Structure
4. Remove engine air inake duct support rods (9,
Figure 2-3). Remove any hoses or electrical ca-
bles attached to center deck structure.
5. Attach overhead hoist to center deck structure.
Remove deck mounting hardware, lift deck from
truck and move to storage area.
6. Disconnect the air cleaner restriction indicator
nylon tubes at ports on inlet ducts.
7. Loosen clamps (5) on hump hoses (4) between
the four engine air inlet ducts and air cleaner outlet
ducts.
8. Disconnect inlet ducts at each of the four turbo-
chargers. Remove inlet ducts from truck. Cover
openings at turbochargers.
6. Wheel Motor Air Duct
7. Main Alternator
8. Alternator Inlet
Transition Structure
9. Blower Subframe
Structure
C02017 03/01
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Troubleshooting
