6
English
8
Care and maintenance
8.1
Care and maintenance work
1. Check the unit at regular intervals.
◁
We recommend having an expert conduct an external inspection every 2 years and an internal
inspection every 5 years, as well as a strength test every 10 years
2. Dismantle the pump [1] and grease the O-ring [a] is and the sleeve [b].
3. Always carry out this maintenance after using the unit 50 times, however at least once a year!
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables.
Spare parts, consumables and accessories approved by Hilti for use with the product can be
found at your local
Hilti Store
or online at:
www.hilti.group
.
9
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact
Hilti
Service.
9.1
Troubleshooting table
Trouble or fault
Possible cause
Action to be taken
The water supply unit does
not build up any pressure
Pump is not screwed on tightly
▶
Screw on the pump tightly.
O-ring on the pump is defective
▶
Have the power tool repaired by
Hilti
Service.
Sleeve is defective
▶
Have the power tool repaired by
Hilti
Service.
Liquid escapes from the
pump at the top
Valve disk is dirty or defective
▶
Clean the valve disk or have the
unit repaired by
Hilti
Service.
Safety valve vents too early
Safety valve is defective
▶
Have the tool repaired by
Hilti
Service.
Pressure gage indicates no
tank pressure
Pressure gage is defective
▶
Have the power tool repaired by
Hilti
Service.
10
Disposal
Do not dispose of this product in household waste!
Most of the materials from which
Hilti
tools, appliances and devices are manufactured can be recycled.
The materials must be correctly separated before they can be recycled. In many countries, your old
tools, machines or appliances can be returned to
Hilti
for recycling. Ask
Hilti
Service or your Hilti sales
representative for further information.
Printed: 30.05.2018 | Doc-Nr: PUB / 5433246 / 000 / 00
