TM 55-1520-240-23-6
7-6
REPLACE ROSAN ADAPTERS AND REDUCERS
(Continued)
7-6
NOTE
Adapter lockring (1) may be installed
using combination wrench and drive
tool (step 30) or lockring drive tool
(step 31).
30.
Install adapter lockring (1) while zinc chromate
primer is still wet as follows:
a.
Select proper combination wrench and drive
tool RF98-DW from table 1.
b.
Rotate combination wrench and drive tool
onto fitting (6) until it touches lockring (1).
Turn the tool until it bottoms on port (8).
Any sudden increase in torque will
indicate that lockring serrations and
port serrations are not aligned.
c.
Torque fitting (6) per table 2. If serrations
(9) cannot be aligned, remove combination
wrench and drive tool. Lift lockring (1).
Repeat step 29.
31.
Install adapter lockring (1) while zinc chromate
primer is still wet as follows:
a.
Select RF69-TW series wrench from table 1.
b.
Place wrench over fitting (6). It is properly
located when it rests on lockring (1).
c.
Select lockring drive tool RF98-DK from table
1. Set lockring (1). Use a hammer, arbor
press, or hydraulic press.
32.
Check component for fluid leaks before installing
on helicopter.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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