Bx Service Data - Gasoline/Lpg Engine - Komatsu AX20 Operation & Maintenance Manual

28.2 BX SERVICE DATA – GASOLINE/LPG ENGINE
Component
Engine
Lubricating oil
cooling system
Fuel system
Intake/exhaust
system
Electric system
Tires
Lug (hub) nuts
Rim mating nuts
Steering wheel
Clutch pedal
Inching pedal
Brake pedal
Brake
Forks
Chain
Hydraulic system
* Pneumatic tire lift truck only
Inspection item
Engine model
Idling speed
Maximum speed
Compression
Fan belt deflection
Injection timing
Injection order
Injection pressure
LPG max. tank pressure
LPG dry gas pressure
Intake
Valve clear-
ance
Exhaust
Spark plug gap
Spark plug type
Ignition timing (gas)
Ignition timing (LPG)
Firing order
Front wheels
Tire inflation
pressure
Rear wheels
Front wheels
Tightening
torque
Rear wheels
Front wheels
Tightening
torque
Rear wheels
Play
Play
Play
Interconnected travel
Play
Pedal height when depressed
Parking brake operating force
Tightening torque for back
plate mounting bolts
Fork thickness (at base of
forks)
Length over 17 links
Relief pressure
FG20(C)/25(C)-14
Unit
FG20S/25S-14
NISSAN K21
–
(4-cyl.)
rpm
rpm 2,950
Gasoline/Dual-fuel: 178/250
psi/rpm
in. (mm)
finger pressure: 98 N (10 kgf)
BTDC deg.
–
psi
psi
psi
in. (mm)
in. (mm) 0.031 - 0.035 (0.8 - 0.9)
–
BTDC deg.
–
psi (MPa)
100 (0.69) (7.0 kgf/cm
lbs/ft (Nm)
(excluding 3.0 ton lift truck)
(88 - 123) (9.0 - 12.5 kgfm)
0.12 - 0.20 in. (3 - 5 mm)
in. (mm)
in. (mm)
ft/lb (N)
lbs/ft (Nm)
2.0 ton truck: Min. 1.42 (36)
2.5 ton truck: Min. 1.58 (40)
in. (mm)
3.0 ton truck: Min. 1.58 (40)
psi (MPa)
2,610.7 (18) (185 kgf/cm
28. SERVICE DATA
FG20H/25H/30(C)(H)-14
FG20SH/25SH/30SH-14
NISSAN K25
750
2,900
LPG: 185/250
0.43 - 0.51 (11 - 13)
ECU control
1 - 3 - 4 - 2
50
250
4.6
0.015 (0.38) Warm
NGK: FR2A-D
ECU control
1 - 3 - 4 - 2
2
)*
217 - 361 (294 - 490)
(30 - 50 kgfm)
145 - 181 (196 - 245)
(20 - 25 kgfm)*
145 - 217 (196 - 294)
(20 - 30 kgfm)*
65 - 91
1.2 - 2.4 (30 - 60)
0.08 - 0.12 (2 - 3)
1.85 - 2.09 (47 - 53)
0.51 - 0.67 (13 - 17)
3.54 - 3.94 (90 - 100)
55 (245) (25 kgf)
108 - 146 (147 - 196)
(15 - 20 kgfm)
Max. 13.1 (332)
2
)
4-7