22
CA152A M152AEN2
EVERY 500 HOURS OF OPERATION (Every three months)
Optional on rollers without cab
Remember that the chain is a vital part of the
steering mechanism.
Remove the cover (5) to gain access to the lubrication
nipple (1).
Lubricate the slew bearing of the operator’s seat with
three strokes of a hand-operated grease gun.
Lubricate the seat locking latch (7), accessible from
below.
Also grease the slide rails of the seat (6).
If the seat begins to bind when resetting, it
needs to be lubricated more often.
Clean and grease the chain (3) between the seat and
the steering column.
If the chain becomes slack on the cogwheel (2), loosen
the screws (4) and move the steering column forward,
tighten the screws and check the tension of the chain.
Seat bearing – Lubrication
4
5
6
3
2
1
Fig. 38 Seat bearing
1. Lubrication nipple
2. Cogwheel
3. Steering chain
4. Adjusting screw
5. Cover
6. Slide rails
7. Slew interlock
7
Fig. 37 Underneath operator’s position
1. Steering chain
2. Chain-tightening device
3. Adjusting nut
4. Nuts
5. Control valve mount
Steering chain and
Seat bearing – Lubrication
Optional on rollers without cab
Remember that the chain is a vital part of the
steering mechanism.
Clean and lubricate the chain (1) between the seat
bearing and steering valve with grease. The chain is
accessible underneath the platform.
It is not necessary to remove the chain.
Adjust the chain as follows if it has slackened so that
size “a” is less than 30 mm (1.2 in): Loosen the nuts (4)
and adjust the mount (5) backwards with the adjusting
nut (3) until size “a” is 50 mm (2 in).
a
1
2
4
5
3
Summary of Contents for CA152A
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