Komatsu 830E-AC Shop Manual page 118

d. Attach hoist to lifting eyes on blower inlet
duct assembly. Remove hardware attaching
duct to main alternator inlet. Remove hard-
ware attaching upper duct mounts to electri-
cal cabinet. Remove hardware attaching
duct to deck at right and left sides.
e. Recheck for any other cables or hoses and
lift duct assembly from the truck. Cover all
openings to prevent entrance of foreign
material.
f. Remove mounting hardware and remove
transition structure (4) from alternator.
3. Remove clamp and remove the outlet hose to
rear axle on the blower assembly.
FIGURE 2-1. MAIN ALTERNATOR BLOWER DUCT
1. Electrical Cabinet
2. Inlet Duct
3. Transition Structure
C2-4
4. Transition Structure
5. Air Hose
Power Module
4. Disconnect all (already marked) electric, oil and
fuel lines that would interfere with power mod-
ule removal. Cover or plug all lines and their
connections to prevent entrance of dirt or for-
eign material. To simplify this procedure, most
connections utilize quick disconnects.
5. Disconnect the air cleaner restriction gauge
hoses. Disconnect electrical wiring and hoses
etc. that would interfere with front center deck
removal.
6. Remove air inlet duct support rods on under-
side of center deck.
7. Attach hoist to the front center deck. Remove all
cap screws, flat washers, lockwashers and nuts
securing the deck. Check for any remaining wir-
ing, hoses or other items on underside of deck.
Lift deck and remove from truck.
8. Close both cab heater shutoff water valves dis-
connect water lines and drain water from the
heater core. Secure water lines away from
engine compartment so as not to interfere with
power module removal.
10. Remove cap screws (2, Figure 2-2) and nuts
securing left (1) and right (3) exhaust ducts to
turbocharger outlets. Remove "V" band clamps
(5) and support clamps (4). Remove exhaust
ducts and move clear of engine. Cover turbo-
charger exhaust openings to prevent entrance
of foreign material.
C02027