MAINTENANCE
9VX3
WHEN REQUIRED MAINTENANCE AND CHECKS
TRACKS CHECK
I
ADJUST
A W A R N IN G
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 adjustm ent 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
1 0
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 adjustm ent 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
Summary of Contents for 9VX3
Page 1: ...Service Guide 9VX3 I H I SERIAL NUMBERS WB004001 up PUB No 1 1205...
Page 21: ...Swing motor...
Page 34: ...A 1 34 6 7 14 15 17 18 10 19 20 25 23 13 35 SECTION...
Page 38: ...3 1 0 Disassembly drawing For part names and numbers refer to the parts catalog...
Page 45: ...Boom Cylinder head details...
Page 51: ...Boom Swing Tightening torque 176 N m M16 x 1 5 19 8 7 6 13 5 DETAIL P DETAIL H...
