Optional Fuel Flow - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
DO NOT twist or bend stud. Stud is not a removable item.
DO NOT pry on filter element.
E. Remove retaining and jam nuts (Items 3 and 4).
F. Filter element (Item 5) will now drop off stud.
G.
Seal central tube opening of filter element with suitable size rubber plug, to keep inside of filter
element from getting contaminated during the cleaning process. Gently clean filter element by
rinsing in new/unused solvent (Safty-kleen SK-105, Varsol, MIL-PRK-680 Type II, Odorless mineral
spirits or equivalent) and blowing debris off surfaces using a low-pressure (up to 30 PSI Max) clean
compressed air source.
DO NOT scrape, pry or poke mesh surfaces with sharp
objects.
elements.
H. Replace filter element (Item 5) on stud and secure with retaining nut (Item 3)
tightened moderately.
I. While holding retaining nut with thin ½" open-end wrench tighten jam nut (Item 4)
with second ½" wrench.
J. Replace filter bowl "0" ring. Apply a light coating of Vaseline to new filter bowl "0"
ring seal, then locate new seal in groove on inside lip of filter housing.
K. Push filter bowl (Item 2) into housing taking care not to cock sideways.
L. Replace fuel bowl retaining nut "0" ring. Apply light coating of Vaseline to "0" ring
on filter bowl retainer nut (Item 1) and install on stud with 50 to 60 inch pounds
torque.
M. Secure Filter bowl retainer nut with .032" stainless steel lock wire.
N. Turn airframe fuel shutoff valve to "ON" position. Turn electric fuel boost pump on
and observe 20 PSI on fuel pressure gauge. Observe fuel filter assembly for leaks
prior to closing filter access panel.
Some aircraft are equipped with a fuel flow unit. The Shadin Company Inc. Miniflo Digital
fuel management system incorporates an indicator and transducer. The transducer is
installed in the fuel line between the engine's FCU and the fuel flow divider/dump valve.
(See Shadin Company Inc. Miniflow maintenance manual for troubleshooting and
repairing data for the fuel flow system.)
Effective: 5/05/04
AIRCRAFT MAINTENANCE MANUAL
** CAUTION **
* * CAUTION * *
DO NOT attempt to separate segments of filter
** CAUTION **
DO NOT allow stud to twist.
OPTIONAL: FUEL FLOW
5-7