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MAINTENANCE
D2.7 D2.7
VANTAGE® 500
COOLING SYSTEM
The cooling system of the Deutz engine needs to be
checked and cleaned periodically. Consult the engine
Operation Manual for the proper frequency and proce-
dures.
COOLING BLOWER BELT: The following procedure
should be followed to replace the cooling blower belt:
1. Allow the machine to cool.
2. Unfasten and slide the battery holder out from the
welder.
3. Disconnect the negative battery cable.
4. Remove the engine case side.
5. Loosen the air cleaner hose clamp at the engine
and detach the hose.
6. Remove the engine end panel with air box and air
cleaner attached for access to the engine.
7 Remove the Idler solenoid from the pulley guard.
8. Remove the pulley gaurd - Note the placement of
the flat washer at the uppper right mounting bolt of
the pulley guard.
9. See Figure D3.5. Loosen the idler pulley mounting
bolt and move the pulley toward the engine.
10. Remove the old cooling blower belt and install a
new one.
11. Push outward on the idler pulley and adjust the cold
belt tension for approximately 10-15 mm (.4-.6 in.)
maximum deflection) midway between any two pul-
leys and tighten the bolt.
12. Reinstall the air cleaner hose, engine case side,
and engine end panel. Reattach the negative bat-
tery cable. Slide in and refasten the battery holder.
13. Run the engine for 15 minutes and reset the ten-
sion per the Engine Operation Manual using a V-
belt tension gauge.
FIGURE D2.5 – COOLING BLOWER BELT REPLACEMENT AND ADJUSTING
Rear
Panel
Idle
Solenoid
Pulley
Guard
Idler
Pulley
Air
Cleaner
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