3.6 Operating Instructions
Please read thoroughly before operating the system.
Noise
Tests conducted by Gardner Denver Drum show noise levels are signicantly
less than 85dB(A).
Safety
Do not operate the Hydrapak with the outer cover removed.
Visual Checks before Starting the System
Make sure any non-spill couplings (if tted) are correctly
connected.
Installation
A lter blockage indicator
gauge on initial start up,
(when cold), may point to the
red sector (lter on full by-
pass). This is normal due to
the high viscosity of oil when
cold. When the system has
warmed up the gauge should
not remain in the red sector.
If the gauge remains in the red
sector after warm up, the lter
element must be replaced.
See section 4.3.
NOTE
Grease or dirt must not be
allowed to enter the internals
of the machine.
CAUTION
It is recommened that ear
protection is worn during
vehicle testing.
IF IN DOUBT CONSULT A GARDNER DENVER DRUM
REPRESENTATIVE.
Starting the System
1. Ensure the handbrake is applied.
2. If a selector valve or reverse ow valve is tted, select
the neutral position.
3. If hydraulic speed control is tted, this should be fully
open.
4. Check oil level. This should be on or slightly below the maximum
level on the sight glass.
5. Depress the clutch and engage the PTO, release the clutch
slowly.
6. Operate the selector valve (if tted) for desired rotation.
7. Close the speed control valve (if tted) to direct the
hydraulic oil through the motor.
8. If a hand throttle is tted, gradually increase to the
required speed.
Stopping the system
1. Reduce engine speed to idle and return all control valves
to the neutral position.
2. Disengage the PTO.
Page 11
4991015005 Date:02/18
Hydrapak Installation, Operating & Maintenance Manual
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