Blue Bird Micro Bird Operator's Manual page 37

MICRO - BIRD
In the interest of safety through maximized driver visibility,
the doors have been designed to have as much clear glass opening
as possible. A four inch wide pad is mounted to the header cover
over the opening.
The manual control is the Blue Bird cover over center locking
type with built-in saf-latch. The door ease-of-operation facilitates
use of a short handle arm.
LUBRICATION - WINDOWS, HINGES
1. Lubricate latches and sliding seal of top window with silicone
every thirty days.
2. Entrance door and all exterior hinges should be lubricated
every thirty days with a light weight oil.
3. Inside hinges and door control hardware should be lubricated
quarterly with a light weight oil.
4. A heavy grease should be used on the upper door control
quarterly.
5. Luggage compartment latches should be lubricated every
thirty days with a silicone type grease.
6. Luggage compartment lock cylinders should be lubricated
with a graphite lubricant every thirty days.
7. Lubricate the positive hold open hinge on the rear emergency
door with the door closed using a low temp grease per ASTM
4950 GC-LB Grade 2 -60 deg. to 350 deg. F. monthly. (If so
equipped)
8. A heavy grease should be used on the emergency door hinges
quarterly.
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& LOCKS