Hyd-Mech H28A-120, Руководство по обслуживанию и запасным частям

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3.10
10
Saw starts but will not run
after Start button has been
released.
10
On machines so equipped, the out-of-
stock or blade breakage limit switch
has been tripped.
10
Reload with stock or reset the blade. Hold
the hydraulic start button and release the
blade tension or open vises far enough to
deactivate the limit switch.
11a.
If blade wheels run clockwise, wrong
phase order in power connection to
saw.
11a.
Stop immediately; reverse any two of the
three phase connections.
11b.
If pump is noisy cause may be low
hydraulic oil level.
11b.
Stop immediately, add hydraulic oil. (See
"Hydraulic Maintenance")
11c. Pump-motor coupling has separated. 11c. Adjust accordingly.
12a.
Observe pilot light(s) on relevant valve.
If pilot light fails to go on, problem is
electrical.
12a.
This requires the attention of a qualified
service person.
12b.
If pilot light related to inoperative
function does light, problem may still
be the coil . If problem remains it may
result from dirt in the valve spool.
12b.
Disassembly of hydraulic valves should be
under taken only by qualified service
personnel or those knowledgeable with
hydraulic components.
13a.
Feed Rate Valve is fully closed -
pointer is set on "0" or close to "0"
in/min.
13a.
Turn Feed Rate Knob in a counter
clockwise to open valve.
13b. Feed Force Limit is set too low. 13b. Increase Feed Force Limit.
13c.
Check for physical interference
preventing the head from falling.
13c. Remove obstructions.
14a. No job queue programmed to run. 14a.
Enter job numbers(s) and job data as
described in Section 2.
14b. Pieces required equals pieces cut. 14b. Clear pieces cut.
Head will not descend.
12
No individual function will
respond to its manual
control switch.
Auto cycle will not start. 14
Saw starts but no hydraulic
functions.
11
IN MANUAL MODE
IN AUTOMATIC MODE
13
SOLUTION PROBLEM PROBABLE CAUSE