Half/Pack
®
Issued April 2018
Maintenance and Adjustment
Copyright 2018, Heil Environmental
Printed in the U.S.A.
Maintenance and Adjustment
77
PRESSURE ADJUSTMENT PROCEDURES (CONTINUED)
D.Pressures and Cycle Times (Continued)
1. Main Pressure settings have a tolerance range of +/- 50 p.s.i. and are to be set at operating speed -
WI594
2. Port Relief Pressure settings have a tolerance range of +/- 100 p.s.i. and are to be set at operating
speed - WI594
3. Options include: Carry Can Hydraulic Supply, Commercial Gripper, Adjustable Forks, Hydraulic Cab
Shield
4. Throttle Advance set to 1250 rpm
5. Unless noted, all pressures are good for Standard, Sierra, and Freedom units
6. Cycle Times based on 700 RPM at idle.
E. Contact Heil Technical Services at 866-310-4345 for help with pressure adjustments.
CLAMP-ON ARM BOLTS MAINTENANCE
Check clamp-on arm bolts for tightness monthly. See the figure below.
Do not use an impact wrench as thread damage might occur.
If bolts are removed, the bolts MUST be replaced. Contact your local Heil Dealer or Parts Central for parts.
Torque as follows:
1. Lubricate threads with anti-seize compound.
2. Torque the lock nut to 600 ft. lbs. using a torque wrench.
Figure 20. Clamp-on Arm Bolts Maintenance
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