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Page Title:
ALTERNATOR (60 AMPERE) AND MOUNTING BRACKET MAINTENANCE - continued |
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 TM 9-2320-361-24-1
0085 00
ALTERNATOR (60 AMPERE) AND MOUNTING BRACKET MAINTENANCE (Contd)
INSTALLATION
1.
Install alternator pulley (21) (WP 0086 00).
NOTE
Perform step 2 only if mounting bracket has been removed.
2.
Install alternator mounting bracket (30) on engine (32) with three new lockwashers (29) and
screws (28). Tighten screws (28) 6071 lb-ft (8196 Nm).
3.
Install alternator adjusting arm (16) to engine stud (13) with new lockwasher (14) and nut (15).
Finger-tighten only.
WARNING
Alternator must be supported during installation. Failure to
support alternator may cause injury to personnel or damage to
equipment.
4.
Install alternator (25) on mounting bracket (30) with two screws (27), four washers (26) and (24),
shims (31) as required, and two nuts (23). Finger-tighten only.
5.
Install alternator adjusting arm (16) on alternator (25) with washer (17), new lockwasher (19), and
screw (18). Finger-tighten only.
6.
Install and adjust alternator belts (20) (WP 0084 00). Tighten two screws (27) 3342 lb-ft
(4557 Nm).
7.
Connect wire (33) to wire (34) and install two new cotter pins (22) through locknuts (23).
NOTE
Ensure terminals are clean before connections are made.
Alternator has an AC terminal not used on M44A2 series
trucks.
8.
Install wire (36) on stud (35) with new lockwasher (8) and nut (9). Tighten nut (9) 4555 lb-in.
(56 Nm).
9.
Install ground wire (7) to alternator (25) with new lockwasher (5) and screw (6). Tighten screw (6)
82102 lb-in. (912 Nm).
10.
Install spacer (1) and wire retaining strap (2) over wires (7) and (36) on alternator (25) with two
new lockwashers (3) and screws (4). Tighten screws (4) 3035 lb-in. (12 Nm).
ADJUSTMENT
1.
Connect battery ground cable (WP 0126 00) and start engine (TM 9-2320-361-10).
2.
Set engine speed to 1200 rpm (TM 9-2320-361-10).
3.
Turn on headlights (TM 9-2320-361-10) to place load on alternator.
4.
Using multimeter, check alternator output voltage. Connect black lead to ground cable (7) and
touch red lead to wire (33). Output voltage should be 28.0 0.2 VDC. If adjustment is required,
continue with next step. If no adjustment is required, go to step 8.
5.
Remove pipe plug (37) from alternator (25).
6.
Turn adjusting screw counterclockwise to increase or clockwise to decrease voltage until output
voltage of 28.0 0.2 VDC is achieved.
7.
Apply sealing compound to pipe plug (37) threads. Install pipe plug (37) in alternator (25) and
tighten to 2436 lb-in. (34 Nm).
8.
Turn off headlights (TM 9-2320-361-10).
9.
Stop engine (TM 9-2320-361-10).
10.
Seal wires (36), (7), and (34) and connectors and stud (35) completely with adhesive sealant.
0085 00-4
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