MWO-9-2320-272-35-1
MODIFICATION OF 5-TON M939, M939A1, M939A2 SERIES FAMILY OF VEHICLES (FOV)
M939 BRAKE STABILIZATION PROGRAM (RETROFIT OF ANTI-LOCK BRAKE SYSTEM (ABS) FOR M939 FOV); MODIFICATION WORK ORDER
JANUARY 2007
CHANGE 1
MWO-9-2320-272-35-1 - Page 33 of 109
MWO 9-2320-272-35-1
31
1.
Slide nut and sleeve on tubing.
2.
Slide I.D. of tubing onto fitting insert until it
bottoms.
3.
Assemble nut to fitting body.
4.
Tighten assembly finger-tight to cover body
threads.
1.
Slide nut and sleeve on tubing.
2.
Slide I.D. of tubing onto fitting insert until it
bottoms.
3.
Assemble nut to fitting body.
4.
Finger-tighten nut. From that point, tighten
with a wrench two complete turns.
1.
Cut tubing to desired length. Ensure ends are
cut reasonably square.
2.
Slide tubing into preassembled fitting and
push until tube bottoms.
3.
Tighten nut as indicated in chart. Another
check on proper assembly is dimension A,
when nut is fully tightened.
DISASSEMBLY — Remove nut and pull tubing
out of fitting body. Insert will remain on tubing.
REASSEMBLY — Push tubing and insert into
fitting body until it bottoms. Thread nut onto
fitting body and tighten as in step 3.
SELF-ALIGN-PTF
KNURL-ON
TUBE O.D.
TIGHTEN NUT TO:
A
1/4
77 - 103 lb-in. (8.7 - 11.6 N
•
m) .085/.105
3/8
10 - 15 lb-ft (13.5 - 20.3 N
•
m)
.125/.145
1/2
22 - 30 lb-ft (29.8 - 40.6 N
•
m)
.100/.120
5/8
23 - 32 lb-ft (31.1 - 43.3 N
•
m)
.115/.135
3/4
34 - 45 lb-ft (46.1 - 61.0 N
•
m)
.180/.200
NYLON TUBING
FOR AIRBRAKE
A
Table 3. Tube Nut Torques.
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