TM 1-1520-238-23
Change 6
5-44.9
5.7A.
MAIN ROTOR BLADE SPAR TO SPAR DEBOND REPAIR (AVIM) – continued
NOTE
If Spar Debond Tool is available, per-
form steps k thru m.
If pressure plate and C-clamps are to
be used, go to step n.
k. Remove Spar Debond Repair Tool (7) from
transport case.
(1) Check tool (7) for damaged equipment.
(2) Check thermocouple (8) for wire condition
and attachment to heater blanket.
(3) Check condition of heater blankets (9) and
pressure bladders (10).
(4) Ensure the four footing pads (11) of fixture are
fully opened.
(5) Loosening securing knobs (12) and position
heater blankets (9) and pressure bladders
(10) at center of tool (7).
(6) Tighten knobs (12).
NOTE
The Spar Debond Repair Tool is
equipped with fittings to connect either a
pressurized air or an air pump with tire
valve connection.
l. Prepare tool (7) for connection to pressurized
air.
(1) Close PRESSURE REGULATOR (13).
(a) Close PRESSURE REGULATOR (13) by
pulling knob out and rotating to its full
counter clockwise position until PRES-
SURE GAUGE (14) reads zero.
(b) Obtain available air source manual pump
or compressed air and prepare for use.
(2) Switch AIR INPUT SELECT switch (15) to
MANUAL PUMP (16) or COMPRESSED AIR
(17).
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M04 5206 16
8
7
10
9
12
11
M04 5206 17
14
13
7
M04 5206 18
7
17
15
16
