VISION
D R I V E R S H A N D B O O K
132
Every 12 Months or 12,000 Miles
Heaters & Defrosters
Tighten Front Heater Fasteners
All fasteners holding such heaters in place in unit. For
details on fasteners check installation prints.
Clean Front Heater FIlter & Core
Clean dust from cores. Replace filter elements.
Axle & Suspension, Front
Inspect & Tighten AirTek Suspension Air
Spring Fasteners
See a instl. diagram for torque spec's.
Inspect & Tighten AirTek Suspension Pin
Lock Bolts
Tighten to 380–420 ft lb.
Axle & Suspension, Rear
Inspect Comfort Air Suspension Ride
Height
Shock length, eye-to-eye: 24.68" +- .25"
Inspect Comfort Air Suspension Ride
Height
Shock length, eye-to-eye: 21.75" +- .25"
Inspect & Tighten Comfort Air Suspension
Shock Absorbers
Inspect for leakage or damage. Torque upper mount bolts
to 50–70 ft lb. Torque lower mount bolts to 160–180 ft lb.
Inspect & Tighten Comfort Air Suspension
Torque Arm Bolts
Torque to 150–205 ft lb.
Inspect & Tighten Comfort Air Suspension
U-Bolts
Torque 7/8" bolts to 400–450 ft lb. Torque 3/4" bolts to
260–320 ft lb.
Inspect & Tighten Rear Axle U-Bolts
Tighten to 300–350 ft lb.
Inspect Spring Suspension Rebound Pins
Verify that cotter pins are installed.
Inspect & Torque Spring Suspension
Shock Absorbers
Inspect for signs of leakage, wear, or damage. torque
locknuts to 75–100 ft lb.
Inspect & Tighten Spring Suspension
Spring Radius Fasteners
Tighten locknuts to 100–125 ft lb.
Cooling System
Test Entire Cooling System
Pressure Test Cooling system.
Steering
Inspect Hydraulic Pump Body & Seals
Inspect for leaks.
Inspect Steering Gear Body & Seals
Inspect for leaks.
Содержание VISION 2011
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