GRECH MOTORS
65
Kelderman Air Suspension
The Kelderman suspension needs no lubrication and little maintenance. However, immediate
cor rective action should be taken if a serious malfunction occurs.
CAUTION !
If maintenance or service is to be done on the air system, be sure to drain all air
from the system. Serious injury could occur if components are removed while system is full of air.
PRODUCT OWNER RESPONSIBILITIES
• Owner is solely responsible for pre-operation inspection, periodic inspections, maintenance, and use of
the product as specified in the particular Kelderman MFG. instructions available by prod uct model, except
as provided in this warranty, and for maintenance of other vehicle compo nents. Of particular importance is
the re-torque of fasteners including axle bolts, four link bolts, and pan hard bar bolts. This re-torque must
be performed within 90 days of the suspension be ing put into service.
• Owner is responsible for “down time” expenses, cargo damage, and all business costs and loss
es resulting from a warrantable failure.
• The Kelderman Air Suspension is fully automatic in controlling the height of the chassis when
properly installed. No manual intervention to control air pressure or ride height is needed during
the course of operation.
CHECK AT EVERY VEHICLE SERVICE INTERVAL:
(Always Review Manufacturers Documentation)
1. Check Ride Height ±1/4”
2. Check for air leaks around fittings.
CHECK AFTER THE FIRST 1000 MILES:
1. Recheck & tighten any loose fasteners. 2. Check for any loose or worn components.
CHECK AFTER EVERY 30,000 MILES:
1. Check trailing arm bushings and pan hard bar bushings for wear; replace if worn.
