Maintenance – Zenoah HC510DV User Manual
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9. Maintenance
This machine is equipped with a spring loaded
semi-automatic tensioner. Therefore, by slackening
cutting head fixing nuts and bolts, correct tension is
always maintained. (MA6)
Apply following procedures if readjustment is
required:
(1) Cutting head
(2) Spring
(3) Drive case
1. Slacken 3 pieces of flange nuts which are
holding the cutting head. (MA7)
(1) Slacken
2. Slacken a bracket bolt on the starter side. (MA8)
(1) Slacken
3. By up and down the cutting head several times,
belt tension is regulated automatically by a
spring force.
4. Tighten those slacken bolt and nuts as original.
■ BELT EXCHANGE
As the belt wears out, correct tension cannot be
maintained just by its adjustment. In such a case,
ask your sales dealer to exchange, or purchase
new belt and exchange in following procedure:
The belt for exchange shall be a genuine part (Part
No. 2884-61510).
DISASSEMBLING PROCEDURE
1. Slacken 2 screws and remove a pulley cover.
2. By plug wrench, slacken 3 nuts which are
holding the cutting head. (MA9)
(1) Cutting head
(2) Pulley cover
IMPORTANT
MA7
MA8
MA9
MA6
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