Bx Service Data - Diesel Engine - Komatsu AX20 Operation & Maintenance Manual

28. SERVICE DATA
28.3 BX SERVICE DATA – DIESEL ENGINE
Component
Engine model
Idling speed
Engine
Maximum speed
Compression
Lubricating oil
Fan belt deflection
cooling system
Injection timing
Fuel system Injection order
Injection pressure
Intake/exhaust
Valve clearance
system
Tire inflation
Tires
pressure
Tightening
Lug (hub) nuts
torque
Rim mating Tightening
nuts torque
Steering wheel Play
Play
Inching pedal
Interconnected travel
Play
Brake pedal
Pedal height when pedal is
depressed
Parking brake operating force
Brake
Tightening torque for back plate
mounting bolts
Forks Fork thickness (at base of forks)
Chain Length over 17 links
Hydraulic sys-
Relief pressure
tem
4-8
Inspection item
Intake
Exhaust
Front wheels
Rear wheels
Front wheels
Rear wheels
Front wheels
Rear wheels
Unit
–
rpm
rpm
psi/rpm 412 - 441 (min. 340)/250
(MPa/rpm)
in.(mm)
finger pressure: 98 N (10 kgf)
ATDC°
–
psi (MPa)
in. (mm)
psi (MPa)
217 - 361 (294 - 490) (30 - 50 kgfm)
145 - 181 (196 - 245) (20 - 25 kgfm)
lbs/ft (Nm)
145 - 217 (196 - 294) (20 - 30 kgfm)
(excluding 3.0 ton lift truck)
65 - 91 (88 - 123) (9.0 - 12.5 kgfm)
in. (mm)
in. (mm)
3.54 - 3.94 (90 - 100)
ft/lb (N)
lbs/ft (Nm) 108 - 146 (147 - 196) (15 - 20 kgfm)
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
FD20/25/30-14
4D94E
675 - 725
2,650 - 2,750
(2.94/250)
0.39 - 0.59 (10 - 15)
6°
1 - 3 - 4 - 2
1,850 (12.75)
0.008 (0.20) Cool
100 (0.69)
1.2 - 2.4 (30 - 60)
0.08 - 0.12 (2 - 3)
1.85 - 2.09 (47 - 53)
0.51 - 0.67 (13 - 17)
55 (245) (25 kgf)
Max. 13.1 (332)
2
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