Komatsu PC200-8M0, Shop Manual, Page: 511 / 1254

SEN06132-01
PC200, 200LC, 220, 220LC-8M0 40-200
7
200 General Information on troubleshooting
Checks before troubleshooting
No. Item Criterion Remedy
c: Electrical eq
uipme
n
t
1 Check of battery terminal for looseness and corrosion – Retighten or replace
2 Check of alternator terminal for looseness and corrosion – Retighten or replace
3 Check of starting motor terminal for looseness and corrosion – Retighten or replace
4 Check of battery voltage (with engine stopped) 20 to 30 V Charge or replace
5 Check of battery electrolyte level
Between H
and L
Add or replace
6 Check of wiring harness for discoloration, burnt areas and cover peeling – Repair or replace
7 Check for removal of wiring harness clamp and sagging of wiring harness – Repair
8 Check of grounding – Repair
9 Check for loose connector and damaged lock – Repair or replace
10 Check of connector pin for corrosion, bends and deformation – Repair or replace
11 Check for water and foreign matter in connector – Dry, clean or replace
12 Check of wiring harness for open and short circuit – Repair or replace
13 Check of fuse for blowing out and corrosion – Replace
14 Check of alternator voltage (when engine speed is medium or higher)
After sev-
eral min-
utes
operation:
27.5 – 29.5
V
Replace
15
Check of battery relay operation sound (when starting switch is turned to
ON or OFF position)
– Replace
16 Check and cleaning of rear view camera – Clean or repair
d: Exterior
p
a
rt
s
1 Check of undercarriage – Repair
2 Check of handrails and steps – Repair
3 Check of mirrors – Clean or repair
e:
In
te
rior p
a
rt
s
1 Check of gauges and monitors – Clean or replace
2 Check of seat belt – Repair