NMC-WOLLARD MB-4 200-DF - Service Recommendations for O-Ring Boss Fittings 1

General Information
10
13
DPSG,YZ07927,11 –19–30APR99–1/1
SERVICE RECOMMENDATIONS FOR O-RING
BOSS FITTINGS
1
T6520AB –UN–18OCT88
Angle Fitting
ANGLE FITTING
1. Back-off lock nut (A) and back-up washer (B)
completely to head-end (C) of fitting.
2. Turn fitting into threaded boss until back-up washer
contacts face of boss.
NOTE: Do not allow hoses to twist when tightening
fittings.
3. Turn fitting head-end counterclockwise to proper index
(maximum of one turn).
4. Hold fitting head-end with a wrench and tighten lock
nut and back-up washer to proper torque value.
STRAIGHT FITTING OR SPECIAL NUT TORQUE CHART
Thread Size N•m lb-ft
3/8-24 UNF 8 6
7/16-20 UNF 12 9
1/2-20 UNF 16 12
9/16-18 UNF 24 18
3/4-16 UNF 46 34
7/8-14 UNF 62 46
1-1/16-12 UN 102 75
1-3/16-12 UN 122 90
1-5/16-12 UN 142 105
1-5/8-12 UN 190 140
1-7/8-12 UN 217 160
NOTE: Torque tolerance is + 15% -20%.
1
SERVICE RECOMMENDATIONS FOR O-RING BOSS FITTINGS
charts meet Funk Engineering Procedures Manual Torque Specifications
FEP 14.3.
CTM195 (28JUL99) 10-13 2000 Series Transmission
072899
PN=27