MMD Equipment 400S-6B1 - Manual (Page 41)

5. Periodic Inspection/Maintenance
5-11
(Procedure)
① To drain coolant, remove cap“2”of header tank on
radiator“1”top and open the drain valve“3”to
drain it.
② Also be sure to drain engine by loosening the
drain plug “4”without fail.
③ After completing drainage, close the drain valve
“
3”and drain plug“4”and then supply coolant
through the filler port of the header tank.
④ After coolant is filled up, run unit at unload
condition for 2 or 3 minutes and stop it. Then
check coolant level. When the level is low,
replenish it.
5.6.14 Supply grease to trailer spring pin
Supply grease through grease nipples positioned at
the bottom.
Grease: Chassis grease
5.6.15 Change Oil Separator
If even before scheduled interval of 2,000 hours
operation, consumption of compressor oil is unusually
high. and the differential pressure gauge of the oil
separator reaches Red range, change the oil
separator. (See 4.4.6)
But note that the differential pressure gauge shows
correct indication only in full load operation and
minimum pressure.
Replacing oil separator ass'y “1”and gasket “2”, “3”.
(For part numbers, refer to 5.5).
When replacing oil separator, contact directly us or
distributor because it requires expert technical
knowledge.
A040047
3
2
1
TR0260B
1
4
A040049-1
2
3