Changing The V Belt; Replacing The Leaf Chain - Okuma VTM-200 Operation & Maintenance Manual

9-2.

Changing the V Belt

Procedure :
1-
Follow the steps "1-" to "3-" described in 9-1. "Adjusting the Belt Tension."
2-
Change the belts.
3-
Gradually tighten the adjusting bolt (described on the previous page) and mark up a point to
where slackness of belt is run out.
4-
Follows the steps "5-" and "6-" described in 9-1. "Adjusting the Belt Tension."
10.

Replacing the Leaf Chain

Leaf chain extends because of wear of pin or bush. Check the chain extension in the periodical
inspection (every six months), and if the measured dimension is over the allowable dimension,
change the leaf chain. (See the table below.)
Changing Reference
Allowable dimension
Measurement Point
CAUTION
Perform the replacement work with minding your steps as the leaf chain is located above
the column. Turn the power (NFB) off during the measurement.
SECTION 4 INSPECTION, MAINTENANCE AND ADJUSTMENTS
6-link
10-link 261.6 mm (10.299 in.)
157 mm (6.18 in.)
Measure dimension
L1: Inner distance between the rollers
Roller
L2: Outer distance between the rollers
5699-E P-66
LE11214R0100600230001