ENG/LIQUID COOLED
7--18
6400IC MM433 (7--99)
LPG FUEL TROUBLESHOOTING
Problem
Cause
Remedy
Engine will not start
Out of fuel
Replace fuel tank with full one
Service valve opened too quickly
-- check valve stopped fuel flow
Close service valve and reopen
slowly
Plugged fuel filter
Replace filter
Kinked or restricted fuel line
Straighten or replace fuel line
Engine out of tune
Tune-up engine
Oil pressure switch failure
Replace oil pressure switch
Fuel lock valve failure
Repair or replace fuel filter lock
Vaporizer-regulator failure
Repair or replace
vaporizer-regulator
Engine runs unevenly or lacks
power
Wrong type of fuel tank -- vapor
withdrawal tank
Replace vapor withdrawal tank
with liquid withdrawal tank
Plugged fuel filter
Replace filter
Kinked or restricted fuel line
Straighten or replace fuel line
Engine out of tune
Tune-up engine
Restricted air filter
Clean or replace air filter element
Vaporizer-regulator out of
adjustment
Adjust vaporizer-regulator
CYLINDER HEAD
See Kubota engine service manual at the end of
this section.
VALVE CLEARANCE
Check and adjust the intake and exhaust valve
clearance to 0.145 to 0.185 mm (0.0057 to
0.0072 in) while the engine is cold after every 800
hours of operation. See Kubota engine service
manual at the end of this section.
CRANKCASE VENTILATION SYSTEM
Clean the crankcase ventilation hoses, tubes, and
fittings and replace the PCV valve every
400 hours of operation.
Summary of Contents for 6400IC
Page 1: ...MM433 Rev 02 MM433 Service Manual 6400IC ...
Page 4: ...GENERAL INFORMATION 1 2 6400IC MM433 8 94 ...
Page 28: ...CHASSIS 2 2 6400IC MM433 7 99 ...
Page 50: ...CHASSIS 2 24 6400IC MM433 7 99 ...
Page 52: ...SWEEPING 3 2 6400IC MM433 7 99 ...
Page 122: ...SWEEPING 3 72 6400IC MM433 7 99 ...
Page 124: ...ELECTRICAL 4 2 6400IC MM433 7 99 ...
Page 147: ...ELECTRICAL 4 25 6400IC MM433 12 01 ...
Page 148: ...ELECTRICAL 4 26 6400IC MM433 12 01 ELECTRICAL SCHEMATIC GAS LP LIQUID COOLED 1 2 3 4 5 6 7 ...
Page 150: ...ELECTRICAL 4 28 6400IC MM433 12 01 ELECTRICAL SCHEMATIC DIESEL 2 1 2 ...
Page 151: ...ELECTRICAL 4 29 6400IC MM433 12 01 ELECTRICAL SCHEMATIC DIESEL 1 2 350169 D ...
Page 154: ...ELECTRICAL 4 32 6400IC MM433 12 01 WIRE HARNESS GROUP GAS LP LIQUID COOLED ...
Page 156: ...ELECTRICAL 4 34 6400IC MM433 12 01 WIRE HARNESS GROUP DIESEL ...
Page 160: ...ELECTRICAL 4 38 6400IC MM433 12 01 ...
Page 174: ...ELECTRICAL 4 52 6400IC MM433 7 99 ...
Page 176: ...HYDRAULICS 5 2 6400IC MM433 7 99 ...
Page 258: ...HYDRAULICS 5 84 6400IC MM433 12 01 Fig 1 Hydraulic Schematic Liquid cooled 350156 LIQ ...
Page 259: ...HYDRAULICS 5 85 6400IC MM433 12 01 Fig 1 Hydraulic Schematic Liquid cooled 350156 LIQ ...
Page 260: ...HYDRAULICS 5 86 6400IC MM433 12 01 Fig 2 Hydraulic Schematic Air Cooled ...
Page 261: ...HYDRAULICS 5 87 6400IC MM433 12 01 Fig 2 Hydraulic Schematic Air Cooled 350157 AIR ...
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Page 332: ...ENG AIR COOLED 6 2 6400IC MM433 7 99 ...
Page 356: ...ENG AIR COOLED 6 26 6400IC MM433 7 99 ...
Page 358: ...ENG LIQUID COOLED 7 2 6400IC MM433 7 99 ...