Servicing
Troubleshooting
Proceed systematically when looking for the causes of a fault. Refer to the
operating instructions of the drive assembly you are using when doing this.
The following table will help you to narrow down and rectify the source of
the fault.
Fault
Possible cause
Solution
CSH24
Chain Saw
cannot be
started
Drive assembly is switched off
Switch on drive assembly
Emergency stop on drive assembly
has been activated
Release emergency stop on the
drive assembly
Chain tension too high
Tension diamond chain correctly
Reversing wheel bearing rusted or
reversing wheel worn
Free-up bearing with chain spray or
replace reversing wheel
Diamond chain has excessive
contact with building structure
Withdraw from cut and insert into
building structure with chain running
Drive wheel incorrectly mounted
Check drive wheel
Diamond chain broken
Loose metal or stone in building
structure
Remove metal or stones or position
cut at another point
Diamond chain incorrectly
assembled
Assemble diamond chain correctly
(
see Chapter 3
)
Diamond chain worn
Replace diamond chain
(
see Chapter 3
)
Chain speed is too high
Drive assembly power is too high.
Use a pressure relief valve (140 bar)
or a flow divider (pressure limiter 40
l/min at 140 bar).
Diamond chain seriously worn on
cutting segment
Highly reinforced building structure
Cannot be removed
Chain speed too low
Use hydraulic unit at
min. 35 l/min
Insufficient water
Min. pressure 2bar
Diamond chain vibrates heavily
Diamond chain inadequately
tensioned
Tension diamond chain correctly
Diamond chain sticks in cut
Block being cut
-
out moves
Insert wood or steel shims in the
cut so that the block no longer
moves
Incorrect cutting sequence
Observe cutting sequence
(
see Chapter 6
)
Diamond chain can no longer be
tensioned, since the chain tensioner
is at its limit
Diamond chain has stretched
through normal wear
Lift bar from tensioning cam A and
tension using tensioning cam B
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