(1) Slide tube in fitting until it bottoms, turn nut to finger tight position and tighten one quarter
turn with wrench.
(2) Snug slightly with wrench.
14-60. APPLICATION OF TEFLON TAPE THREAD SEALANT. All male pipe (tapered) threads of the
oxygen system should be sealed with 3M No. 48 Teflon tape. Teflon tape should not be used on straight
threads. Do not use any other lubricants in place of Teflon.
1. Wrap tape on threads, starting with those farthest from the opening, in the direction of the thread
spiral. Circle the threads, making sure that each side of the tape has a slight overlap.
2. Wrap the tape such that it does not extend beyond the last thread on the fitting as the opening. The tape
should then be pulled until it separates. Do not cut the tape, it will not stick properly.
CHART VIII-II. OXYGEN SYSTEM LIMITS
PARTS
INSPECTION
OVERHAUL
Regulator
300 Flight Hrs.
5 Years
Pressure Gauge
300 Flight Hrs.
Replace on Condition
High Pressure Lines
300 Flight Hrs.
Replace on Condition
Low Pressure Lines
300 Flight Hrs.
Replace on Condition
Outlets
300 Flight Hrs.
Every 5 Years
External Recharge Valve
Each Use
Masks
Each Use
Replace as Necessary
NOTES:
1
On condition replace the rubber components in the asembly or replace assembly.
2
If the screen in front of value is dirty, replace valve. Valve replacement is recommended every 5 years.
Revised: 2/13/89
3C8
CHEROKEE ARROW III SERVICE MANUAL
ACCESSORIES AND UTILITIES
Summary of Contents for ARROW III
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