Gradall G6-42P (91404003_Before 0160004017) Operation Manual - Manual (Page 44)

1. Operate unit until hydraulic oil reaches normal operating temperature.
2. Apply parking brake, lower boom to rest and shift Forward/Reverse lever to
“Neutral” Observe Hydraulic Filter Bypass Indicator with engine running at
full throttle. Replace filter elements if necessary.
3. Obtain a container to receive waste oil and a CLEAN container to receive oil
sample.
4. With gauge removed from hose, attach mini-check and hose to test port
located above implement pump. Hose end must be positioned in waste oil
container.
5. Allow at least one pint of oil to flow into waste oil container to eliminate any
contamination from hose.
6. Move hose to CLEAN container to collect sample for analysis.
7. Return hose to waste oil container and disconnect adapter from mini-check
test port.
8. Cover sample container immediately with CLEAN cap.
9. Stop engine and check oil level in reservoir and replenish as required.
10. Contact your GRADALL Distributor for information concerning oil analysis.
Oil sample containers are available from several sources:
• Oil companies
• Oil suppliers
• Sampling labs
OBTAINING HYDRAULIC OIL SAMPLE 19.0
NOTE!
OIL CLEANLINESS IS CRITICAL
The filtration system is designed
to maintain a minimum ISO
cleanliness level of 18/15.
TAKE HYDRAULIC SAMPLE
FROM THIS PORT