Stanley CD12 User Manual page 15

Hydraulic core drill
Table of Contents

Advertisement

Problem
Fluid gets too hot.
Gear shift knob turns hard.
No gearshift function.
Water leaking out of shaft.
ANCHOR STAND TROUBLESHOOTING
Symptom
The Anchor Stand will not hold a
vacuum.
Excessive play between the
carriage and mast.
Excessive play between the mast
and the base.
TROUBLESHOOTING
Cause
Circuit relief set too low.
Too much fluid going through tool.
Circuit
has
contaminants
have caused wear and high heat
generation.
Oil leak at motor shaft seal into
gearbox causes high pressure in
gearbox.
Shifter pin worn or broken.
Output shaft seals worn.
Water pressure too high. Seal
damaged.
Cause
Debris under the base gasket is
preventing a good seal.
Debris between the base gasket
and the base.
The gasket is worn out or damaged. Replace.
The slot gasket will not seal.
The vacuum release button is
leaking.
Leveling screw(s) set too far down.
Vacuum leak in the line between the
base and vacuum pump.
Normal wear of the guide bushings.
Pivot block capscrews are loose.
Solution
Adjust relief valve to 2100-2250/145-
155 bar.
Adjust flow for 6 GPM/23 LPM
maximum.
that
Replace worn pump and valves. Install
a large clean filter and keep the fluid
clean.
See your authorized service dealer for
repair.
See your authorized service dealer for
repair.
See your authorized service dealer for
repair.
Maximum water pressure 60 psi/4 bar.
Replace seals.
Solution
Clean the surface on which the
gasket must seal.
Clean the base surface.
Inspect. Clean or replace.
Inspect. Clean or replace.
Retract the screws to allow the
base gasket to seal.
Inspect and seal as required.
Adjust the guide bushings.
Tighten the capscrews to just snug
to remove play.
CD12 User Manual ◄ 15

Advertisement

Table of Contents
loading

Table of Contents