Komatsu PW130ES-6K Operation & Maintenance Manual page 228

MAINTENANCE.
CHANGE OIL IN HUBS
1. Position hub with plug (1) at bottom and remove plug (1).
2. When all oil has drained out, rotate hub until plug hole is at
the top.
3. Add oil (2.5 l each hub, front axle, 2.7 l each hub, rear axle)
and rotate hub until filling hole is horizontal.
4. If oil emerges, allow excess to drain off and replace plug.
5. If no oil emerges, rotate hub until plug hole is at the top and
add oil.
6. Rotate until hole is horizontal.
7. Repeat steps 4,5 + 6.
8. Replace plug.
CHANGE OIL IN TRANSMISSION ASSEMBLY
TRANSMISSION
1. Remove plugs (1), (2) + (3) and allow oil to drain out.
2. Replace plug (3).
3. Add oil (approx. 1 l) until oil emerges from plug (2) hole.
4. Replace plugs (1) + (2).
CLUTCH
1. Remove plugs (4), (5) & (6) and allow oil to drain out.
2. Replace plugs (5) & (6).
3. Add oil (measure 0.5 l)
4. Replace plug (4).
CHANGE ANTIFREEZE
Follow the procedure of "CLEAN INSIDE OF COOLING
SYSTEM" on page 189 for draining and refilling the cool-
ing system.
CHECK AND ADJUST VALVE CLEARANCE
See section "CHECK & ADJUST VALVE CLEARANCE" on
page 222 for procedure.
SERVICE PROCEDURE
Drain ports
Fill port
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