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UNIT MAINTENANCE SCHEDULE
For the most reliable operation and for maximum life, your unit
requires regular maintenance. This includes oil and filter changes,
fuel and air filter replacement, coolant replacement. Maintenance
should be performed on the following schedule:
SERVICE SCHEDULE FOR SUPRA 550
Petroleum and
Synthetic Oil-
With an d With-
out Bypass At
250 Hours
D Check engine cooling system.
D Check and clean the air filter.
D Check all bolts, screws and unit mounting bolts
for tightness. Tighten as required.
D Check all belts.
Petroleum Oil
Without Bypass
At 500 and every
500 hours after
Petroleum Oil-
With Bypass
At 600 and every
600 hours after
Synthetic Oil-
Without Bypass
At 1000 and ev-
ery 1000 hours
after
Synthetic Oil
With Bypass
At 1200 and ev-
ery 1200 hours
after
D Replace lube oil and filter.
D Check engine cooling system.
D Check and clean the air filter.
D Check all belts.
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