Idler
When removing/installing the rubber track shoe, lift up the machine on the side where the shoe is to
be removed/installed. It is very dangerous for the machine to fall unintentionally. Do not move
anything other than the track shoe to be removed/installed.
To change the gear oil of the idler, remove the
rubber track shoe on the side where the gear oil
is to be changed.
2
1
3
4
5
A
6
3
Idler
1. Remove the rubber track shoe. (See "REPLACING RUBBER TRACK SHOE" in Chapter 4. Be sure
to support the machine with a safety strut.) Stop the engine.
2. Pull out idler (1) and idler adjuster (2) from the crawler frame.
Mass: Idler
+
Idler adjuster
=
approximately 60 kg (132 lb)
3. Remove idler fuel inlet plug (3) with an Allen wrench to drain old gear oil.
4. Refill the specified amount {80 cc (4.9 cu
・
in)} of gear oil through the fuel inlet.
5. Wind a sealing tape around plug (3), tighten the plug securely, and then clean up any oil around
the plug.
6. Apply grease to sliding surface (A) between piston (4) and cylinder (5) of idler adjuster (2).
7. Attach the idler and idler adjuster (2) to the crawler frame with fill plug (3) and grease nipple (6)
facing outward.
8. Attach the rubber track shoe. For how to attach it, see "REPLACING RUBBER TRACK SHOE" in
Chapter 4.
9. Adjust the track shoe tension. For how to adjust it, see "CHECKING AND MAINTAINING TRACK
SHOE TENSION" in Chapter 4. Check the engagement and tension of the idler, and then remove
the safety strut supporting the machine to lower the machine.
[
4. MAINTENANCE
]
4
4-
73
Copyright©2019 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2PS00017ZE08] [1226CsCshWbYs]
Содержание SK55SRX-6
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