Case 120 - ENGINE LUBRICATION; Oil Selection and Change Procedure

MODEL
120
CRAWLER
SCHEDULED
PREVENTIVE
MAINTENANCE
SERVICE
CHART
1.
ENGINE -
Daily
or
every 10 hours check
crankcase oil level. Refer
to
Engine
Manufacturer's literature
for
other
maintenance
information.
2. RADIATOR -
Daily
or
every
10
hours check
coolant level. Every 6 months
or
1500 hours
drain and flush cooling system
(see
page
43).
, 3.
OIL
COOLER -
Weekly
or
every 50 hours check
for
obstructions, clean fins.
4.
TRACK
DRIVE
TRANSMISSION -
Weekly
or
every 50 hours check oil level. Check breather
and clean
if
required. Every 6 months
or
1500
hours drain and refill.
See
page
25.
5. BATTERIES -
Weekly
or
every 50 hours check
electrolyte level.
At
least every 6 months
or
1500 hours clean terminals.
See
page
71.
6. FUEL
TANK
-
Fill at end
of
shift
to
prevent
condensation. Weekly
or
every 50 hourse check
breather, clean
or
replace
if
required.
7. SWING GEARBOXES -
Weekly
or
every 50
hours check oil level. Every 2 months
or
500
hours lubricate
top
bearing. Every 6 months
or
1500 hours drain and refill units. Inspect
breathers; clean
if
required.
See
page
52.
8. TURNTABLE OPEN GEAR -
Daily
or
every 10
hours lubricate
with
spray-on open
gear
lubricant.
See
page
52.
9. TRACK COMPONENTS -
Daily
or
every 10
hours clean tracks and track frames. Clean more
frequently
when
working
in wet
or
muddy
areas.
Weekly
or
every 50 hours check track tension
and adjust
if
required. Check rollers
for
leakage.
See
page
18.
10. PRESSURE GREASE
FITTINGS
-
Use
Lithium
base
EP
No. 2 bearing
grease
or
functional
equivalent.
See
PICTORIAL
LISTING
on
page
14.
11. TURNTABLE BOLTS -
After
1st week
of
operation and
monthly
or
every 250 hours
thereafter, retorque.
See
page
52.
12. CAB -
Daily
or
every 10 hours clean
thoroughly.
Weekly
or
every 50 hours check controls
for
binding.
Monthly
or
every 250 hours inspect
controls
for
wear and proper adjustment.
13.
HYDRAULIC
FILTERS -
Weekly
or
every 50
hours check visual indicators. Every 2 months
or
500 hours replace paper elements and clean
Power Sensing Valve screens.
See
page
83.
14.
HYDRAULIC
RESERVOIR -
Daily
or
every 10
hours check oil level. Bleed
off
air pressure at
end
of
shift
to
prevent oil
loss.
Every 6 months
or
1500 hours drain and refill system, clean
in-tank filters.
See
page
82.
15. PUMP
DRIVE
TRANSMISSION -
Weekly
or
every 50 hours check oi I level. Check breather
and clean
if
required. Every 6 months
or
1500
hours drain and
refill.
See
page
48.
16. AIR CLEANER -
Daily
or
every 10 hours check
air restriction
indicator
and dust cup. Every 2
months
or
500 hours remove and clean
(or
replace) primary element.
See
page
44.
17. BOOM, DIPPERSTICK
and
BUCKET -
Daily
or
every 10 hours
grease
all pressure fittings.
Inspect levers, links and pins
for
binding
or
wear.
See
Pictorial Listing and figure 7.
Figure
7.
Service
Points
on
Boom, Dipperstick
and
Bucket
13