Method For Checking Idler Oil Level - Komatsu D37EX-24 Operation & Maintenance Manual

MAINTENANCE
METHOD FOR TIGHTENING TRACK SHOE BOLTS
1.
Tighten the track shoe bolts in the order shown in the fig-
ure.
Conventional type
PLUS type
2.
Check that the nut and track shoe are in close contact with
the link contact surface.
3.
After checking, retighten by suitable tightening angle.
METHOD FOR RETIGHTENING MASTER LINK CONNECTING BOLT
1.
Tighten the master link connecting bolts in the order shown
in the figure.
Conventional type
PLUS type
2.
Check that the link contact surfaces are fitted.
3.
After checking, retighten by suitable tightening angle.

METHOD FOR CHECKING IDLER OIL LEVEL

When the oil level is low and new oil must be added, the machine body needs to be inclined, and that is
dangerous.
Ask your Komatsu distributor for addition.
Low oil level in the idler can cause noise and seizure. Stop the machine on a flat place and check for the oil
level according to the following procedure.
Tightening torque Tightening angle
( Nm { kgm})
206±20 {21±2}
118±20 {12±2}
Tightening torque Tightening angle
( Nm { kgm})
150±40 {15±4}
196±20 {20±2}
k k
(deg.)
90±10
120±10
(deg.)
180±10
180±10
WARNING
MAINTENANCE PROCEDURE
4-25