MAINTENANCE
9NX
WHEN REQUIRED MAINTENANCE AND CHECKS
TRACKS CHECK
I
ADJUST
Grease is under high pressure.
NEVER
remove the grease fitting.
*
Grease coming out of the check valve.under
pressure can penetrate the body causing injury
or death.
DO NOT
watch the check valve to see if
grease is escaping. Watch the track or track
adjustment cylinder to see if the track is being
loosened.
Loosen the check valve one turn only.
Measuring Track Tension
1. Position bucket to the sprocket side. Use boom and
blade down pressure to lift the track on both side off
the ground.
2.
Measure the maximum amount of the track sag from
the shoe upper face to the roller face. Properly
adjusted track will have approximately 10 to 20 mm
slack with rubber shoes.
Track Tightening
I.
Add grease through check valve fitting
O
until the
correct track tension is reached.
2.
Move the tracks forward and reverse to equalize the
pressure.
3.
Check the the amount of track sag again and adjust
as necessary.
Track Loosening
1. Remove soil deposited on front idler bearing.
2.
Loosen the check valve
O
carefully (one turn
maximum) until the track begins to loosen.
3.
Tighten the check valve
O
to
59
to 69
N
m (6 to
7
kgf
.
m) when the desired track tension is reached.
NEVER
over tighten the check valve.
4.
Move the tracks forward and reverse.
5.
Check the the amount of track sag again and adjust
as necessary.
If the correct adjustment cannot be obtained, consult your
IH1 dealer.
Suported the machine
shoe leaves the
ground surface
Lower roller
S
Track sag
Rubber shoes:
10
to
20
mm
a
Grease
nipple
a
Check valve
(Width across flat:
24
rnm)
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