Dover HEIL Half/Pack Factor AFL - Pressure Adjustment Procedures

Half/Pack
®
Issued April 2018
Maintenance and Adjustment
Copyright 2018, Heil Environmental
Printed in the U.S.A.
Maintenance and Adjustment
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DRAIN AND CLEAN THE HYDRAULIC OIL TANK (CONTINUED)
NOTICE
Before filling the tank be sure the funnel is clean and 200 mesh (or finer) screen is used to strain the hydraulic oil.
13.Fill tank with recommended oil, checking the sight gauge as you fill. Refer to Hydraulic Oil Specifications .
14.Check the entire system to make sure all connections are tight and no leaks are found.
15.Start the truck’s engine and engage the pump.
WARNING
Moving equipment can be dangerous to bystanders. Serious injury or death can occur if a person is in the wrong area or is
not attentive to the operations. Clear the area of all unnecessary people before you operate the controls.
16.Operate the packing panel through 10 cycles to be sure all air is out of the circuits.
17.Operate the automated container lift mechanism.
18.Operate tailgate – full up and full down.
19.Operate body raise (dump units) – full up and full down.
20.With the packing panel in the retracted position and lift in the in-transit position, check tank oil level. If necessary, add
recommended as described under Check Oil Level .
PRESSURE ADJUSTMENT PROCEDURES
A. Unit Preparation
Follow these unit preparation steps prior to making any pressure adjustments listed in this section. Reliefs must be set
at idle.
1. Make sure area around unit is clear to enable arm and fork operation
2. Place wheel chocks on both sides of driver side rear wheel
3. Make sure parking brake is set
4. Notify anyone in area that the arms and forks will be operated during this procedure
5. Make sure unit is full of hydraulic oil
6. Make sure hydraulic oil is at least 100 degrees F before beginning any pressure checks or adjustments.
a. If unit oil is not at desired temperature, engage the hydraulic pump.
b. Activate and hold the tailgate lock function for two minutes.
c. After two minutes release tailgate lock function and cycle the packer/ejector circuit to mix the hot oil.
d. Repeat steps (b) and (c) until oil is at desired temperature.
NOTICE
The unit must remain in neutral during all pressure setting procedures. Make sure that the work area is clear of uninvolved
people and that the parking brake is fully applied and wheels fully chocked.
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