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HG3555A/42306 Portable Power Unit
Maintenance (cont'd)
The service life of the power unit will be maximized by
proper care and maintenance. The maintenance sched-
ule below is recommended.
Note: Change engine oil after the first 5 hours of
operation. Thereafter, change engine oil
according to the Maintenance Schedule.
Every 5 Hours
1. Check engine crankcase oil level. Fill if necessary.
See Oil Recommendations – Engine Manual.
2. Check fuel tank level. Fill if necessary. See Fuel
Recommendation – Engine Manual.
3. See Figure 5. Check hydraulic reservoir oil level. Fill
to FULL mark on dipstick. Do not overfill reservoir.
See Recommended Hydraulic Fluids.
Every 10 Hours
1. Wipe all power unit surfaces clean of grease, dirt
and foreign material.
2. Inspect the hydraulic system hoses and fittings for
signs of leaks, cracks, wear, or damage. Replace if
necessary.
Every 25 Hours
1. Service engine air cleaner pre-cleaner. See Engine
Manual.
Every 50 Hours
1. Change engine crankcase oil and oil filter. See
Engine Manual.
Every 100 Hours or Once Yearly
1. Drain hydraulic reservoir oil. Clean and flush reser-
voir. Change hydraulic oil filter. Fill reservoir with
new, clean hydraulic oil. See Recommended Hy-
draulic Fluids. Operate power unit to circulate oil
through the hydraulic system. Stop power unit.
Recheck hydraulic oil level. Fill reservoir to the
FULL mark on the dipstick. Do not overfill reservoir.
See Figure 5.
2. Service engine air cleaner cartridge. See Engine
Manual.
3. Perform a detailed inspection of the system hoses
and fittings as stated in Appendix A – S.A.E Stan-
dard J1273, May 1986. Replace the hoses and/or
fittings if necessary.
Greenlee Textron / Subsidiary of Textron Inc.
Hydraulic Reservoir Dipstick
12
4455 Boeing Dr., Rockford, IL 61109-2988 815/397-7070
Figure 5
F
OPERATING AREA
E
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