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Manual No. 7018081-02, Rel. Jun. 1999 © Copyright Isringhausen 1999
TROUBLESHOOTING
MODEL 6800/338 BUS
MODEL 6800/338 PREMIUM LX
Problem Cause Solution Page
Armrest will not stay in position. Armrest control is defective. Replace armrest. 6
Backrest will not adjust Teeth on backrest are defective. Replace backrest. 6
and/or stay adjusted. Backrest seat latch is defective. Replace backrest seat latch. 14
Lumbar/Bolster No air supply to seat. 90 to 145 psi req'd. 5
will not inflate. Air lines leak. Replace air lines. 7
Valve is defective. Replace valve. 8
Air bags leak. Replace air bags. 7
Height will not adjust and/or Height adj. cam is defective. Replace height adj. cam. 11
stay adjusted. Height adj. cylinder is defective. Replace height adj. cylinder. 11
Height adj. valve is defective. Replace height adj. valve. 10
Horizontal slide will not adjust Horizontal slide is defective. Replace horizontal slide. 12
and/or stay adjusted.
Seat pan assem. will not adjust Seat pan lever is defective. Replace seat pan lever. 10
and/or stay adjusted. Seat pan glides are defective. Replace seat pan glides. 9
Quick air release No air supply to seat. 90 to 145 psi req'd. 5
will not function. Valve is defective. Replace valve. 12
Adjustable shock absorber Shock absorber is defective. Replace shock absorber. 17
will not adjust. Shock absorber cable is defective. Replace shock absorber cable. 17
Suspension will not Suspension is defective. Replace suspension. 13
function properly.
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