Miller Electric Big Blue 600D, Руководство пользователя

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OM-481 Page 26
7-7. Checking And Replacing Engine Belt
Ref. ST-134 730-B / SD-131 784-A
Stop engine, and let cool.
A V-belt drives the engine cooling
fan and alternator. To check tight-
ness of belt, proceed as follows:
Remove rear panel.
1 Fan Pulley
2 Alternator Pulley
3 Engine Belt
Place straight edge along top of pul-
leys. Push down belt as far as it will
go, then measure distance from
belt to straight edge.
If less than 1/2 in (13 mm), belt is
okay. If not okay, adjust belt.
To adjust belt tension:
4 Alternator Bracket
Loosen hex nut on bracket.
5 Alternator Pivot Hex Nut
Loosen hex nut. Pivot alternator
clockwise until belt is tight. Tighten
hex nuts.
Recheck tightness of belt. Readjust
if necessary.
To replace belt:
Replace belt if damaged or
cracked. Replace belt as follows:
Loosen hex nuts, pivot alternator
counterclockwise, and remove
belt. Install new belt, pivot alternator
clockwise, adjust tightness, and
tighten hex nuts. Recheck tight-
ness of new belt after operating en-
gine 15 minutes and again after 20
hours.
Reinstall guard and rear panel.
Tools Needed:
1/2 in, 13 mm
1
2
3
4
5
1/2 in (13 mm)
Maximum
OFF
START
RUN
7-8. Servicing Optional Spark Arrestor
ST-800 463-A / Ref. ST-131 784-A
Stop engine and let cool.
1 Spark Arrestor
2 Cleanout Plug
Remove plug and remove any dirt
covering cleanout hole.
3 Exhaust Pipe
Start engine, and run at idle speed
to blow dirt out cleanout hole. If
nothing blows out of hole, briefly
cover end of exhaust pipe.
Stop engine and let cool.
Reinstall cleanout plug.
1
2
3
Tools Needed:
3/8 in
OFF
START
RUN