Section 5 – GENERAL MACHINE MAINTENANCE
Mini-Crawler Crane M A E D A
5-40 9/2020 MC285CB-3
8. To confirm that the tension is proper, proceed
with following:
• With the outrigger stowed, ground the
machine. See "OUTRIGGER STOWING"
on page 4-53.
• Let the machine travel back and forth.
• Set up the outrigger and lift the machine
about 80 mm off the ground. See
“OUTRIGGER SETTING” on page 4-43.
9. Again, conduct the rubber track tension
check. If it is not proper yet, repeat the
procedure again.
10. Using the two mounting bolts, reinstall the
inspection cover.
11. Stow the outrigger and lower the machine to
the ground. See "OUTRIGGER STOWING"
on page 4-53.
In case the tension is strong (to reduce
tension)
1. With two mounting bolts (2) removed, remove
the inspection cover (1).
Fig. 5-81
2. Loosen grease valve (3) slowly to let the
grease come out.
Fig. 5-82
3. Use care not to loosen the grease valve by
more than one turn.
4. If the grease does not come out smoothly,
take following measures:
a. Stow the outrigger and lower the machine
to the ground. See "OUTRIGGER
STOWING" on page 4-53.
b. Move the machine back and forth.
c. Set up outrigger and lift the undercarriage
off the ground about 80 mm. See
“OUTRIGGER SETTING” on page 4-43.
5. Tighten the grease valve).
6. Conduct the rubber crawler tension check. If
the tension is still improper, repeat the
adjustment again.
7. Using the two mounting bolts, reinstall the
inspection cover.
8. Stow the outrigger and lower the machine to
the ground.
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