
G-23
GL6000, GL7000, GL9000, GL11000, WSM
G
GENERAL
Changing Fan Belt
1. Remove the side panel.
2. Loosen the tension pulley screw (1) and the tension adjustment
screw (2).
3. Remove the fan cover (4).
4. Remove the fan belt (3).
5. Install the new fan belt.
W1022082
[10] CHECK POINT OF EVERY 1000 HOURS
Checking Generator’s Ball Bearing
1. Hold the bearing (1), and push and pull the outer race in all
directions to check for wear and roughness.
2. Turn the outer race to check rotation.
3. If there is any defect, replace it.
W1024734
[11] CHECK POINT OF EVERY 1500 HOURS
Fuel Injection Pressure
1. Set the injection nozzle to a nozzle tester.
2. Slowly move the tester handle to measure the pressure at which
fuel begins jetting out from the nozzle.
3. If the measurement is not within the factory specifications,
replace the adjusting washer in the nozzle holder to adjust it.
W10182100
Nozzle Spraying Condition
1. Set the injection nozzle to a nozzle tester, and check the nozzle
spraying condition.
2. If the spraying condition is defective, replace the nozzle piece.
W10182120
Nozzle Valve Seat Tightness
1. Set the injection nozzle to a nozzle tester.
2. Raise the fuel pressure, and keep at 12.75 MPa (130 kgf/cm
2
,
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
W10182130
(1) Tension Pulley Screw
(2) Tension Adjustment Screw
(3) Fan Belt
(4) Fan Cover
(1) Ball Bearing
Fuel injection pressure
Factory spec.
13.73 to 14.71 MPa
140 to 150 kgf/cm
2
1991 to 2134 psi
(a) Good (b) Bad
Valve seat tightness
Factory spec.
No fuel leak at
12.75 MPa
130 kgf/cm
2
1849 psi
KiSC issued 05, 2015 A