Blue Bird Sigma Y3FE 2015, Driver'S Handbook Manual

Page: 65 / 82

63
CARE & MAINTENANCE
MAINTENANCE SCHEDULE
Maintenance Task Schedule
Ensure that the Safety Information, warnings and instructions are read and under-
stood before operation or maintenance procedures are performed. Use whichever
interval listed (time, mileage, engine hours) occurs first. Engines operated in severe
operating conditions may require more frequent maintenance. See engine manufac-
turer’s specifications for more information.
First Month Then Every 3 Months or 3000 Miles
Cooling System
Inspect & Tighten Hose Clamps
Tighten radiator hose clamps to 90 in lb. Tighten heater
hose clamps to 45 in lb.
First 100 Miles Then Every 12,000 Miles
Tires & Wheels
Inspect & Tighten Lug Nuts
Torque to 450-500 ft lb with calibrated torque wrench. Do
not over-tighten. Do not lubricate nuts or studs. Operating
conditions may require more frequent checks.
First 1000 Miles Then Every 3 Months or 6000 Miles
Frame
Inspect & Tighten Body Tie Downs Body
Tie Down Clamps
Inspect for missing, damaged rubber pads. Tighten clamps
to 37–41 ft lb.
Inspect & Tighten Body Tie Downs Rear
Tie Down Bolts Inspect for missing, damaged rubber pads. Tighten clamps
to 37–41 ft lb.
Inspect Front Rubber Isolators Replace any worn isolators. Tighten bolts to 52-56 ft lb.
First 1000 Miles Then Every 6 Months or 6000 Miles
Axle & Suspension, Rear
Inspect Comfort Air Suspension Ride
Height
Shock length, eye-to-eye: 22.68" +/- 0.25"
First 1000 Miles Then Every 6 Months or 10,000 Miles
Axle & Suspension, Rear
Inspect & Tighten Comfort Air Suspension
U-Bolts
Tighten 7/8" U-Bolts to 400–450 ft lb. Tighten 3/4" U-Bolts
to 280–320 ft lb.