OM-463 Page 32
7-7.
Checking And Replacing Alternator Belt
ST-158 632 / Ref. ST-180 933-B
Stop engine.
To check belt tension:
Remove rear panel.
1
Alternator V-Belt
2
Crank Pulley
3
Alternator Pulley
Place straight edge along top of pul-
leys. Pull down belt as far as it will
go, then measure distance from
belt to straight edge.
If measurement is less than 1/2 in
(13 mm), belt is okay. If not okay,
adjust belt tension.
To adjust belt tension:
4
Hex Nuts (2)
5
Alternator Bracket
Loosen nuts. Pivot alternator until
belt is tight. Tighten nuts. Recheck
tightness of belt. Readjust if
necessary.
Replace belt if damaged or
cracked.
To replace belt:
Loosen hex nuts and pivot alterna-
tor clockwise. Remove belt.
Install new belt, pivot alternator until
belt is tight, and tighten nuts. Re-
check tightness of belt after running
engine 15 minutes.
Reinstall rear panel.
1
1/2, 11/16 in
1/2 in
(13 mm)
Max
4
3
5
2
Tools Needed:
Summary of Contents for Big Blue 400D
Page 4: ......
Page 42: ...OM 463 Page 38 Figure 8 2 Circuit Diagram For Welding Generator Models With CV Option ...
Page 43: ...OM 463 Page 39 ST 184 954 B ...
Page 66: ...Notes ...