Hopper Quantity System (Optional Equipment) - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH
PROBLEM
ENGINE OIL TEMPERATURE GAUGE (Continued)
Gauge does not
register

HOPPER QUANTITY SYSTEM (OPTIONAL EQUIPMENT)

No indication on
indicator
No indication and
resistance checked
good
No indication and
resistance checked
good
8-12
AIRCRAFT MAINTENANCE MANUAL
PROBABLE CAUSE
Grounded wire
No power to indicator
or defective instrument
or transmitter
Bad sensing element
Bad indicator
Bad FA-A control
REMEDY
Check for partial ground between
transmitter and indicator. Repair
or replace defective wire.
Check circuit breaker. Inspect for
open circuit. Reset breaker.
Repair or replace instrument or
transmitter.
Disconnect wires and check
resistance. Refer to Fig. 8-2.
Resistance check bad. Replace
element (non-repairable).
Check power and ground
connections. Observe meter on
FA-A control unit. If meter works
with movement of ball, indicator or
wires to indicator are bad.
Check wiring. Wiring OK, replace
FA-A control. Pins 5, 8, 11 and 15
are power pins on FA-A unit. Pin
15 is attached to 1A C/B. Pins 8
and 11 are jumped to pin 15. Pin
5 goes to + on rear of tank
quantity gauge. Grounds are
located on pins 4 and 16. Pin 4 is
connected to ground on rear of
tank quantity gauge. Pin 16 is
chassis ground.
Effective: 05/05/04