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

General Information
10
15
DPSG,YZ07927,10 –19–30APR99–1/1
SERVICE RECOMMENDATIONS FOR O-RING
BOSS FITTINGS
1
T6243AE –UN–18OCT88
Straight Fitting With O-ring
STRAIGHT FITTING
1. Inspect O-ring boss seat for dirt or defects.
2. Lubricate O-ring with petroleum jelly. Place electrical
tape over threads to protect O-ring. Slide O-ring over
tape and into O-ring groove of fitting. Remove tape.
3. Tighten fitting to torque value shown on chart.
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) 10-15 2000 Series Transmission
072899
PN=29