TM 55-1680-320-23 & P
3-26. FLEXIBLE DRIVESHAFT ASSEMBLY - REPLACE
3-26
This task covers: Removal and Installation
INITIAL SETUP
Personnel Required:
67N, UH1 Helicopter Repairer
67T, UH60 Helicopter Repairer
Parts/Materials:
Packing, MS28775-156
Hydraulic Fluid (Item 13, App. D)
Tools and Test Equipment:
Tool Kit, Airmail Mechanics,
NSN 5180-00-323-4692
Shop Set, Intermediate Maintenance
NSN 4920-00-472-4183
Equipment Condition:
Hoist installed in assembly stand
Boom head assembly removed
Equipment Condition Para:
Task 3-5
Task 2-20
References:
None
1. Removal.
a. Remove side cover assembly (1) by removing bolts (2) and washers (3). Remove shim (4) from bearing bore of
cover.
b. Remove and discard packing (5) from cover (1).
c. Remove lockwire from retaining screw (6) and discard. Remove screw, releasing flexible drive shaft (7).
d. Remove clamp (8) by removing nut (9), washer (10) and bolt (11). Pull flexible drive shaft (7) from boom head.
2. Installation.
a.
b.
c.
Install flexible drive shaft (7) so that shaft bottoms out in boom head assembly, and worm of shaft is visible in
boom head housing.
Secure flexible drive shaft (7) using retaining screw (6) Safety wire screw to side housing when installed using
lockwire.
Install clamp (8) using nut (9), washer (10) and bolt (11).
GO TO NEXT PAGE
3-90
