MAINTENANCE AND SERVICING
Form 169552 / 169554 / 169555
168
Revision A
e. Maintain level between LOW and FULL marks.
If necessary, add SAE 15W40 Compliant with
SAE Specs for API Class SJ and CH-4 Engine
Oil.
NOTE
LOW to FULL capacity is approximately
1 U.S. gallon (4 liters).
f. Re-install filler cap, and turn clockwise to tighten
bung.
7.11.2 CHANGING HYDRAULIC OIL
NOTE
Change hydraulic oil every 2000 hours.
a. Stop engine, and remove key.
b. Open engine compartment hood to highest
position.
c. Place a suitable container (at least 20 U.S.
gallons (75 liters)) under drain to collect oil.
d. Remove drain plug from bottom of hydraulic oil
reservoir and allow oil to drain.
e. Clean off any metal debris that may have
accumulated on magnetic drain plug. Replace
and tighten drain plug.
f. Add oil to the tank to the required level through
the filler pipe. 7.11.1
Oil Level
.
7.11.3 HYDRAULIC OIL COOLER
The hydraulic oil cooler is located inside the
cooling box behind the radiator. It should be
cleaned daily with compressed air. Refer to
Section 7.9.3
Cooling Box Maintenance
.
7.11.4 HYDRAULIC OIL FILTERS
NOTE
Change hydraulic oil filters after the first
50 hours of operation, and every 500
hours thereafter. Filter (A) part #112420
and filter (B) part #151975 can be
obtained from your Dealer.
The hydraulic system contains two filters.
Change hydraulic oil filters as follows:
DANGER
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Stop engine, and remove key.
b. Clean around heads of the filters (A) and (B).
c. Unscrew th
e filters with a filter wrench.
d. Clean the gasket surface of the filter heads.
e. Fill new filters with clean oil, and apply a thin film
of clean oil to the filter gaskets.
f. Screw the new filters onto the mount until the
gasket contacts the filter head.
g. Tighten filters an additional ½ turn by hand.
IMPORTANT
Do not use a filter wrench to install oil
filter. Over-tightening can damage gasket
and filter.
A
B