Sakai SW880-1, Руководство по ремонту

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TROUBLESHOOTING
2-5-5. Auto speed function does not work 5/9
Parking brake switch must be released.
Foot brake switch must be ON (Brake pedal is not depressed).
Set speed change switch to “
”.
(Automatic speed function is disabled when speed change switch is “ ”.)
Check that speed can be changed by speed change switch between operation speed (“ ”) and traveling
speed (“ ”).
Set throttle switch to “FULL”.
(Automatic speed function is disabled when throttle switch is in any other position than “FULL”.)
Check whether exact meter multiple display shows any error code.
1) when display shows any error code
Reference Fig.: 2-5-1
Error code Check point Check/Cause Action
E22 1. Connector Check IPF select switch connector and traveling controller
connector terminal 37, 38, 39 for corrosion, breakage,
bending and looseness.
If any abnormality is found, connector is faulty.
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Replace connector
or terminal.
2. Harness (1) Measure resistances between IPF select switch and
traveling controller terminal wires.
IPF select switch terminal 2 wire Gw and traveling
controller terminal 37 wire GW
IPF select switch terminal 4 wire Lw and traveling
controller terminal 38 wire LW
IPF select switch terminal 6 wire Brw and traveling
controller terminal 39 wire BrW
Standard resistance : 10 Ω or less
(2) Measure resistances between IPF select switch terminal
1, 3, 5 wires YW and fuse box terminal 8 wire YW.
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
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Repair or replace
harness.
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