Before Operating
Clearance test — Inflate the air springs to 60 PSI and ensure there is at least ½" clearance
Leak test before road test — Inflate the air springs to 60 PSI, check all connections for
Fastener test — Recheck all bolts for proper torque. Axle clamp bar carriage bolt lock
Road test — The vehicle should be road tested after the preceding tests. Inflate the air
Operating instructions — If professionally installed, the installer should review the Product
Technician's Signature ________________________
Date ______________
Overnight leak down test — Recheck air pressure after the vehicle has been used for
Air pressure requirements — Regardless of load, the air pressure should always be
Thirty day or 500 mile test —Recheck the air spring system after 30 days or 500 miles,
8
INSTALLATION CHECKLIST
around each bellow, away from anything that might rub against them. Be sure to check
the tire, brake drum, frame, shock absorbers and brake cables.
leaks with a soapy water solution. See page 12 for tips on how to spot leaks. All leaks
must be eliminated before the vehicle is road tested.
nuts should be torqued to 16 ft/lbs. Re-torque after 100 miles.
springs to 25 PSI (50 PSI if the vehicle is loaded). Drive the vehicle 10 miles and recheck
for clearance, loose fasteners and air leaks.
Use, Maintenance and Servicing section on page 14 with the owner. Be sure to provide
the owner with all of the paperwork which came with the kit.
POST-INSTALLATION CHECKLIST
24 hours. If the pressure has dropped more than 5 PSI, then there is a leak that must
be fixed. Either fix the leak yourself or return to the installer for service.
adjusted to maintain ride height at all times.
whichever comes first. If any part shows signs of rubbing or abrasion, the source should be
identified and moved, if possible. If it is not possible to relocate the cause of the abrasion,
the air spring may need to be remounted. If professionally installed, the installer should
be consulted. Check all fasteners for tightness.
LoadLifter 5000 Ultimate
(To be completed by installer)
MN-860