Komatsu PC210-8 Shop Manual page 954

UEN00247-00
General
Malfunction
6. All grease points contain
no grease and no malfunc-
tion reports have been
given and the signal lamp is
not defect.
7. All greasing points con-
tain an excessive amount of
grease.
8. One or more greasing
points contain no grease
while the other points
receive sufficient grease.
9. One or more greasing
points receive excessive
amount of grease while the
other points do receive the
right amount of grease.
10. The green lamp flashes
(2 s on - 2 s off) during one
complete greasing cycle.
4
Cause
a. The adjusted greasing interval is too
long for the relevant application.
b. No supply voltage on pin 3, invert option
CSI not switched on (=0) at parameters,
causing the time clock of the control unit to
stand still and no pause time is counted
down.
c. Supply voltage on pin 3, invert option
CSI switched on (=1) at parameters, caus-
ing the time clock of the control unit to
stand still and no pause time is counted
down.
The adjusted greasing interval for the con-
cerning application is to short.
a. Squashed or broken secondary grease
lines.
b. Metering unit with too little grease out-
put chosen.
c. Metering unit defect.
a. Metering unit with too much output.
b. Metering unit with internal leak.
A single-test cycle is carried out.
40 Troubleshooting
Solution
a. Adjust a shorter greasing
time interval with the push-
button (if present) or with the
laptop and software.
b. Check why no supply volt-
age is present as soon as the
machine is switched on.
Check the fuse (if present)
and wiring.
c. Check why the supply volt-
age does not drop as soon as
the machine is switched on.
Adjust a longer greasing time
interval with the push-button
(if present) or with a laptop
and software.
a. Check and replace the rel-
evant secondary line if nec-
essary.
b. Mount metering unit with
larger grease output.
c. Remove and clean the
metering unit or mount a new
one.
a. Mount a metering unit with
less grease output.
b. Remove the metering unit
and mount a new one.
The green lamp goes out
after the test cycle has ended
or after turning off the key
switch.
PC210, 230, 240-8