Auxiliary Electric Fuel Pump Installation; Engine-Driven Fuel Pump; Fuel Filter; Airborne 1J18 Fuel Filter Service Instructions - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH
B. Remove drain plug and drain pump.
C. Disconnect electrical connector from motor.
D. Remove hose from pump and cap hose.
E. Remove attaching hardware and remove pump assembly from support bracket.

AUXILIARY ELECTRIC FUEL PUMP INSTALLATION

A. Install pump to support brackets and tighten hardware.
B. Connect hose to pump
C. Open fuel shutoff valve.
D. Connect electrical connector to pump motor.
E. Operate fuel pump and check for fuel leaks at lines and fittings.
The engine-driven fuel pump installed on the lower right rear portion of the engine is
provided with a relief valve that will allow fuel to pass through from the airframe pump to
the engine in the event of pump failure.
The fuel strainer in the filter should be removed, inspected and cleaned every 100 hours
of operation or sooner if improper fuel circulation is suspected. (See Figure 5-1 and 5-2

fuel filter.)

AIRBORNE 1J18 FUEL FILTER SERVICE INSTRUCTIONS

The following procedures must be followed in the order of
steps given to avoid damage to the components and to
assure proper functioning of the unit.
Refer to Figure 5-2 for identification of parts during disassembly and re-assembly.
A. Turn airframe fuel shutoff valve to "OFF" position. Cut, remove and discard safety
wire (not shown) securing filter bowl assembly.
B. Using 13/16" wrench unscrew hex nut, (Item 1) bowl retainer.
threads.)
C. Pull filter bowl (Item 2) straight off filter housing stud.
D. Using one thin ½" open end wrench, hold filter retaining nut (Item 3) while
loosening jam nut (Item 4) with second ½" wrench.
5-6
AIRCRAFT MAINTENANCE MANUAL

ENGINE-DRIVEN FUEL PUMP

FUEL FILTER
** CAUTION **
(Right hand
Effective: 5/05/04