MAINTENANCE 9VX3
WHEN REQUIRED MAINTENANCE AND CHECKS
TRACKS CHECK I ADJUST
AWARNING
1.
2.
* 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
Position bucket to the sprocket side. Use boom and blade down
pressure to lift the track on both side off the ground.
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 2 0 mm slack with rubber shoes.
Suported the machine
■ Track Tightening
1. Add grease through check valve fitting ® until the correct track
tension is reached.
2. Move the tracks forward and reverse to equalize the pressure.
3. Check 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 © carefully (one turn maximum) until the
track begins to loosen.
3. Tighten the check valve © to 59 to 69 N • m when the desired track
tension is reached. NEVER over tighten the check valve.
4. Move the tracks forward and reverse.
5. Check the amount of track sag again and adjust as necessary.
If the correct adjustment cannot be obtained, consult your IHI dealer.
Jack up until the
shoe leaves the
ground surface
Lower roller
Shoe
Track sag
Rubber shoes: 10 to 20 mm
\
\
© Grease
nipple
Check valve
(Width across flat: 24 mm)
4-4-1
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