Thrush Aircraft S2R–T660 Maintenance Manual page 219

TROUBLE
Gauge does not register
Gauge pointer fails to return to
zero
Gauge does not register properly
8 – 15
THRUSH AIRCRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
PROBABLE CAUSE
Pressure line clogged
Leak in pressure line
Pressure line broken
Pointer loose on staff
Damaged gauge movement
Foreign matter in line
Faulty mechanism
REMEDY
Check line for
obstructions. Clean
line.
Check line for leaks
and damage. Repair or
replace damaged line.
Check line for leaks
and damage. Repair or
replace damaged line.
Replace instrument.
Replace instrument.
Check line for
obstructions. Clean
line.
Replace instrument.
Effective: 12/17/03