TM 1-1520-238-23
5-131
5.26.
MAIN ROTOR PITCH HOUSING INSTALLATION – continued
e. Install two electrical leads (18) on bracket (12).
Torque two screws (19) to 25 INCH-POUNDS.
(1) Install two screws (19) through washers (20),
leads (18), and bracket (12). Torque screws
(19) to 25 INCH-POUNDS. Use torque
wrench.
(2) Apply sealant to screws (19) mounting area.
Use sealing compound (item 175, App F).
WARNING
Do not place heater near flammable
material or allow heater to contact
skin: severe burns can result. Wear
protective equipment. If injury occurs,
seek medical aid.
NOTE
Two pitch webs have two electrical
leads installed.
Install bolt with head in direction of
rotation.
f. Install end of lead (18) on pitch web (21).
(1) Install a 0.5 INCH length of insulation sleev-
ing on each of the leads at the point where
they will be tied. Use insulation sleeving
(item 99, App F), heater, and protective
gloves.
(2) Install bolt (22) through washer (23), lead (18)
(two, if required), pitch web (21), washer (24),
and nut (25).
(3) Apply sealant to nut (25) and bolt (22) mount-
ing areas. Use sealing compound (item 175,
App F).
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25
24
18
21
12
18
19
20
22
M04-237-8
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