OVERHAUL - TIMING BLOWER ROTORS (Cont) - TM-55-1905-220-14-100589

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OVERHAUL - TIMING BLOWER ROTORS

TM-55-1905-220-14-10 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

OVERHAUL - TIMING BLOWER ROTORS (Cont)

TM 55-1905-220-14-10

5-35. BLOWER - MAINTENANCE INSTRUCTIONS (Continued).

LOCATION

ITEM

ACTION

REMARKS

OVERHAUL - TIMING BLOWER ROTORS (Cont)

Time the rotors as follows:

Time the rotors to have from .002 inch to -.006 inch

clearance between the TRAILING edge of the right-

hand helix rotor and the LEADING edge of the left-

hand helix rotor measured from both the inlet and

outlet sides as shown above and below. If possible,

keep this clearance to the minimum (.002 inch).

Then, check the clearance between the LEADING edge

of the right-hand helix rotor and the TRAILING

edge of the left-hand helix rotor ("C" clearance)

for the minimum clearance of (.012 inch). Rotor-

to-rotor measurements should be taken 1 inch from

each end, and at the center of the blower.

5-589