![background image](http://html2.mh-extra.com/html/ics/speedhook-814pro/speedhook-814pro_service-manual_3529626032.webp)
© 2012 ICS, Blount Inc.
F/N 522803 Jul12
TITLE
814PRO SERVICE MANUAL
30
7. TROUBLESHOOTING
7
If symptoms of poor performance develop, the following chart can be used as
a guide to correct the problem. When diagnosing faults in operation of the tool,
always check that the hydraulic power source is supplying the correct hydraulic
flow and pressure to the tool as listed in the table. Use a flowmeter known to be
accurate. Check the flow with the hydraulic oil temperature at least 80°F/27°C.
SYMPTOM
CAUSE
REMEDY
Tool does not run.
Hydraulic power source not functioning
correctly.
Check power source for proper flow
and pressure (7-9 gpm 26-34 lpm at
2000 psi/140 bar.
Coupler or hoses blocked.
Remove obstruction.
Mechanical failure.
Have tool serviced by authorized
dealer.
Tool runs backwards.
Pressure and return lines incorrectly
connected.
Correct hose connections. Motor shaft
rotates counterclockwise as viewed
from the end of the motor shaft.
Trigger hard to press.
Pressure & return hose reversed.
Connect for proper flow direction. Motor
shaft must rotate clockwise.
Back-pressure too high.
Should not exceed 250 psi/17 bar @
9gpm/34 lpm measured at the end of
the tool’s operating hoses.
Leakage around drive sprocket.
Motor shaft seal failure.
Have unit serviced.
No water discharge at bar.
Blocked port(s) in bar.
Turn off hydraulic supply. Remove bar
and chain and clean bar thoroughly.
Blow ports with compressed air.
Blocked inlet or outlet.
Turn off hydraulic supply. Remove bar
and chain. Make sure water supply
is on. Press trigger to see if water
exits near bar adjustment nut area (a
small port). If no water exits, have unit
serviced.
Summary of Contents for SpeedHook 814PRO
Page 1: ...F N 522803 Jul12 2012 ICS Blount Inc 814PRO SERVICE MANUAL...
Page 2: ......
Page 33: ......