Table 3-6: Torque For Adjustable O-Ring Fittings; Table 3-7: Torque For O-Ring Plugs - JLG Lull 1044C-54 II Series Service Manual

Adjustable O-ring Fittings
O-ring Plugs
31200079
To install straight thread, adjustable O-ring fittings:
1. Check condition of O-ring and replace as necessary. Do not install a
fitting with a damaged O-ring.
2. Lubricate O-ring with clean hydraulic fluid.
3. Back off the locknut fully.
4. Screw fitting into port until backup washer contacts face of port.
5. Position fitting by unscrewing a maximum of one turn.
6. Hold the fitting in position with a wrench and torque locknut per Table
3-6.

Table 3-6: Torque for Adjustable O-ring Fittings

Size
-2
-4
-6
-8
-10
-12
-16
-20
-24
To install straight thread O-ring plugs:
1. Check condition of O-ring and replace as necessary. Do not install a
plug with a damaged O-ring.
2. Lubricate O-ring with clean hydraulic fluid and torque per Table 3-7.

Table 3-7: Torque for O-ring Plugs

SAE Port
Size Thread Size Min. Torque Max. Torque Min. Torque Max. Torque
-2 5/16-24 30
-4 7/16-20 125
-6 9/16-18 210
-8 3/4-16 44
-10 7/8-14 70
-12 1 1/16-12 80
-16 1 5/16-12 129
-20 1 5/8-12 213
-24 1 7/8-12 238
SAE Port
Min. Torque Max. Torque
Thread Size
5/16-24 60 in-lbs 70
7/16-20 160 "
9/16-18 25 ft-lbs 29
3/4-16 40 "
7/8-14 58 "
1 1/16-12 75 "
1 5/16-12 109 "
1 5/8-12 213 "
1 7/8-12 238 "
Hollow Hex Head
in-lbs 40 in-lbs
" 145 "
" 230 "
ft-lbs 48 ft-lbs
" 80 "
" 90 "
" 141 "
" 237 "
" 262 "
General Maintenance
in-lbs
180 "
ft-lbs
44 "
63 "
85 "
121 "
237 "
262 "
Hex Head
85 in-lbs 95 in-lbs
205 " 235 "
25 ft-lbs 29 ft-lbs
46 " 50 "
85 " 95 "
105 " 115 "
154 " 166 "
213 " 237 "
238 " 262 "
3-15