Thrush Aircraft S2R-T660, Maintenance Manual

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THRUSH AIRCRAFT INC - T660 TURBO THRUSH
4 – 27
AIRCRAFT MAINTENANCE MANUAL
** CAUTION **
Never attempt to move the power lever into reverse with
engine shutdown without first removing the pin at the rear
clevis. (Refer to Figure 4-3, item #1)
FRONT LINKAGE
A. Propeller in FEATHER
B. Align rig pin holes in propeller cambox and install pin (Fig. 3, See Rig Pin Hole. A #41 drill
bit can be used as a rig pin. This setting is a rigging datum point.
C. Detach front clevis (Fig. 4-2, #6) at propeller reversing lever (Fig. 4-2, #2) by removing
retaining pin. Do not lose spacer.
D. Connect push-pull cable rear clevis (Fig. 3, Item 1) to center hole of propeller cam (Fig. 3,
Item 2)
E. Disconnect fuel governor interconnect rod (Figure 4-2, #14) from fuel governor reset arm
(Figure 4-2, #13) by removing retaining bolt.
F. Position rear of clevis slot on beta valve Fig. 4-2, # (3) flush with front surface of conical
cap (1) on propeller governor (see rigging datum).
G. Apply forward tension on push-pull cable and while maintaining rigging datum setting in
step F, adjust clevis (Fig. 4-2, #6) so that retaining pin is easily installed at clevis and
reversing lever (Fig. 4-2, #2) interconnect. Ensure there is no slack in the push-pull cable. If
necessary, adjust length of cable on ball terminal ends and on lever prior to completing
connection and check clevis ends for safety; cable must be of sufficient length to prevent
the passage of lockwire through the witness holes.
H. With beta valve set at the rigging datum position, set fuel governor reset arm (Fig. 4-2,
#13) on its MAX stop (Fig. 4-2, #12). Align holes in terminal end of interconnect rod (Fig. 4-
2, #14) with the outer hole of the rest arm so that the retaining bolt can be easily installed.
Shorten the length of interconnect rod (Fig. 4-2, #14) by one-half turn on the terminal end.
I. When rigging is complete, check all cotter pins for correct installation, safety wiring
complete and all clevis ends, nuts, etc., are in safety and secured.
REAR LINKAGE
A. Disconnect power lever control cable (Fig. 4-3, #4) at input lever (Fig. 4-3, #3).
B. Disconnect push-pull cable (Fig. 4-3, #1) from propeller cam (Fig. 4-3, #2) by removing
retaining pin.
C. Align rigging holes in propeller cambox and install rig pin. This setting is a rigging datum
point.
Effective: 12/17/03