TM 1-1520-238-23
4-671
4.185.
NO. 1 AND NO. 2 ENGINE LOAD DEMAND SPINDLE RIGGING
4.185.1. Description
This task covers:
Rigging.
4.185.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Flight control rigging kit (item 267, App H)
Aircraft power unit (item 232, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
30 - 150 inch-pound 3/8-inch drive click type torque
wrench (item 441, App H)
Materials/Parts:
Cotter pin (3)
Wire (item 226, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors LN1 and RN1 opened; panels
L200 and R200 removed
4.103
No. 1 or No. 2 engine shroud assembly re-
moved
NOTE
This task is typical for No. 1 and No. 2
engine load demand spindles.
This task is typical for Hamilton Stan-
dard and Woodward hydromechanical
units (HMUs).
This task is typical for T700-GE-701
and T700-GE-701C engines.
Hamilton Standard HMUs require a
hardened steel rig pin 0.065 – 0.069
INCH diameter. Use twist drill as a
PAS gearbox rig pin. Woodward HMUs
use the standard rig pin supplied with
the load demand spindle (LDS) gear-
box.
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