3-8. DUPLEX AIR GAGE (cont)
CLEANING, INSPECTION, AND REPAIR
Use glass cleaner and clean front glass cover (8) and glass housing (10).
Check that front glass cover (8) and glass housing (10) are not cracked or broken. Replace damaged front glass
cover or glass housing.
Inspect face of duplex air gage (7) for damage. Replace if components appear damaged.
Repair is limited to the adjustment of pointers. If pointer hand does not set at zero, use pointer puller and
remove pointer. Set pointer on zero.