48
9. Troubleshooting
Other malfunctions, hydraulic unit faults
Problem
Possible cause
Action to be taken
LP 32 starts but
– Hydraulic couplings not fully
– Check the hydraulic hoses,
the saw head
connected.
check and engage couplings.
doesn’t react
– The belt drive from the electric
– Unscrew bottom cover, check
or doesn’t react correctly
motor to the pump is defective.
drive belt and replace it if
necessary (Hilti specialist).
LP 32 starts but
– Electro-hydraulic valve(s)
– Unscrew LP 32 front cover
the saw head
sticking
(Hilti spezialist)
doesn’t react
– Check the electric plug
or doesn’t react correctly.
connections to the three valves.
– Check / move the slider. It may
be sticking due to dirt or corrosion.
Oil leaks from hydraulic
– Oil escapes at the oil level sight
– Check the oil level at the sight glass.
unit.
glass / vent tube.
– Oil level too high or LP 32 standing
or hanging at an angle.
–
Reduce blade motor speed
(r.p.m.) slowly and switch off.
Water in oil, visible
– Oil seals in saw head
– Check at the vent or by
when oil (at sight glass)
defective
opening the oil drainage screw.
has milky-white
– Oil cooler defective
→
Oil clear = OK
appearance.
– Hydraulic unit not drained at
→
Oil white = DANGER – unit
temperatures below zero
must be servised immediately.
Water or oil leakage
– Water seal defective
– With the saw blade stationary,
at the saw
– Oil seal defective
allow cooling water to flow. No
arm drive flange
water should run out of the small
bore.
– If water runs out, the water seal
is defective. Return the saw
head for servicing.
No power from the
– 230 V supply has been
– Press the reset button beside
230 V socket
overloaded. Trip switch at "OFF".
the socket, trip switch in "ON"
position. Total rating of
appliances connected must not
exceed 10 amps.
9.3
max Öl warm
max Öl kalt
min Öl kalt
max. oil warm
max. oil cold
min. oil cold
Printed: 08.07.2013 | Doc-Nr: PUB / 5069667 / 000 / 01
Summary of Contents for D-LP 32
Page 1: ...Operating instructions en D LP 32 DS TS 32 Printed 08 07 2013 Doc Nr PUB 5069667 000 01 ...
Page 20: ...20 4 Technical data Rating plates 4 7 Printed 08 07 2013 Doc Nr PUB 5069667 000 01 ...
Page 42: ...42 Printed 08 07 2013 Doc Nr PUB 5069667 000 01 ...
Page 53: ...53 Printed 08 07 2013 Doc Nr PUB 5069667 000 01 ...
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