Page 49 - National Express_ GMStands

Appendix A

Example Safety Critical parts list (This list is not exhaustive):

Braking
Brake Lining Material (brake shoes and pads)
Brake shoes/relining service
Brake and accelerator return springs
Slack adjusters
Brake Drums and Discs
Brake Chambers and Diaphragms

Air System:
Air valves etc.
Air piping and hoses

Steering:
Steering ball pins
Steering components e.g. drop arms, pull & push rods
Steering boxes, columns, steering wheels
King-pins (swivel pins)

Wheels & Hubs:
Wheel studs
Wheel nuts
Wheel rims
Wheel and hub bearings
Hub seals
Tyres

Suspension:
Suspension links, springs and air bellows
Shock absorbers
Fixings - steering, suspension, etc.
Drive shafts, prop. shafts etc.

Body:
Floor covering
Laminates and Trim
Seat Belts

Hydraulic:
Seals
Hydraulic piping and joints

Lubricants:
Engine and transmission oil
Hub bearing greases
Power steering fluid
Fuel

Global Maintenance Standard: Parts Management (Including Safety Critical Parts) 12