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REMOVE AND INSTALL ALTERNATOR
Robert Bosch Theory of Operation

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Alternator, Regulator, and Charging System Wiring
4. Disconnect wiring leads (C--E).
5. Remove cap screw and washer (A) and cap screw and
nut (B) to remove alternator.
6. Replace parts as necessary.
7. Install alternator. Install lower cap screw and nut (B) so
head of cap screw is toward belt.
8. Install cap screw and washer (A).
9. Tighten cap screw (A).
A--Cap Screw, Washer
B--Cap Screw, Nut
5/16 in. Cap Screw--Specification
C--Ground Terminal Wiring Lead
D--D+ Terminal (BLU/YEL)
Torque ............................................................................. 27 Nm (20 lb-ft)
E--BAT Terminal Wiring Lead
10. Tighten cap screw and nut (B).
3/8 in. Cap Screw--Specification
Torque ............................................................................. 47 Nm (35 lb-ft)
11. Connect wiring leads. Tighten ground terminal nut.
Ground Terminal Nut--Specification
16
Torque ........................................................................... 2.3 Nm (20 lb-in.)
1672
4
12. Tighten output BAT terminal nut.
BAT (Output) Terminal Nut--Specification
Torque ........................................................................... 3.6 Nm (32 lb-in.)
13. Pull adjuster idler out just far enough to slide belt over
alternator pulley and behind idler.
14. Slowly release adjuster idler against belt.
TX,16,UU3548
1919SEP982/2
16-18


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