MMD Equipment 40S-8B1 - Manual (Page 44)

5. Periodic Inspection/Maintenance
5-6
5.5.2 Change engine oil filter
[At 50 hours for the first change and every 500 hours thereafter]
<Procedure>
① When installing a new oil filter“1”, spread oil over
the packing“2”, and then screw it in. When the
packing touches the sealing surface, further
tighten the filter by approximately two-thirds turn
with a filter wrench.
② After the oil filter“1”is assembled, check if there
are any oil leaks during operation.
(For part number, see 5.3)
5.5.3 Check GFCI receptacles
[Monthly or 250 hours operation, whichever comes first.]
 If the generator is stored outdoors, unprotected from the weather, test the GFCI receptacle before
each use.
 In case the GFCI has tripped due to the hazard of ground fault currents, investigate the cause and
correct it.
Regularly check the GFCI operation for safety.
<Procedure>
① Unplug all appliances from the generator.
② Start the engine.
③ Turn each single-phase and three-phase breaker ON.
④ Press the TEST BUTTON
 The RESET BUTTON should extend with a click.
 If the RESET BUTTON does not extend, contact your
nearest dealer.
⑤ Press the RESET BUTTON
⑥ When the RESET BUTTON extends during peration.
 Unplug all appliances from the GFCI protected
receptacle.
 Press the RESET BUTTON:
IF THE GFCI CANNOT BE RESET: The GFCI is faulty. Contact your nearest dealer.
IF THE GFCI RESETS PROPERLY: Check the appliance or the power cord.
Reset button
Test button
A040270
H000049
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