Gradall 544B Operation Manual - Manual (Page 36)

Oil sample containers are available from several
sources:
Oil companies
Oil suppliers
Sampling labs
Operate unit until hydraulic oil reaches normal
operating temperature.
Apply parking brake and observe hydraulic filter
by-pass indicator with engine running at full
throttle. Replace filter elements if necessary.
Obtain a container to receive waste oil and a
CLEAN container to receive oil sample.
With gage removed from hose, attach mini-
check and hose to test port near right wall of
engine compartment. Hose end must be posi-
tioned in waste oil container.
1.
2.
3.
4.
Allow at least one pint of oil to flow in to waste oil
container to eliminate any contamination from
hose.
Move hose to CLEAN container to collect sample
for analysis.
Return hose to waste oil container and disconnect
adapter from mini-check test port.
Cover sample container immediately with
CLEAN cap.
Stop engine and check oil level in reservoir and
replenish as required.
Contact your Gradall Distributor for information
concerning oil analysis.
OIL CLEANLINESS IS A MUST.
5.
6.
7.
8.
9.
10.
l
l
l
34
Obtaining Hydraulic Oil Sample for Analysis