JLG 1250AJP Service Manual - Manual (Page 21)

SECTION 1 - SPECIFICATIONS
3121171 – JLG Lift – 1-3
1.7 TORQUE REQUIREMENTS 1.8 MAJOR COMPONENT WEIGHTS
1.9 PRESSURE SETTINGS
Table 1-9. Torque Requirements
Description
Torque Value
(Dry)
Interval Hours
Wheel Bolts 180 ft. lbs.
(252 Nm)
150
Counterweight Bolts 400 ft. lbs.
(542 Nm)
As required
Swing Bearing Bolts 190 ft. lbs.
(260 Nm)
50/600*
Starter or Aux Pump
Solenoid
Contacts
Coil
95 in. lbs. (10.5 Nm)
40 in. lbs. (4.5 Nm)
As required
*Check swing bearing bolts for security after first 50 hours
of operation and every 600 hours thereafter. (See Swing
Bearing in Section 3.)
NOTE: When maintenance becomes necessary or a fas-
tener has loosened, refer to the Torque Chart to
determine proper torque value.
Table 1-10. Deutz Engine Torque Requirements
Description
Torque Value
Ft. Lb.s
Torque Value
Nm
Cylinder Head Cover 6 8.5
Cylinder Head Cover 6 8.5
Rocker Arm Adjustment
Screw 15 21
Intake Manifold 6 8.5
Air Intake Pipe 15 21
Exhaust Manifold 16 22
Oil Drain Plug 39 55
Oil Pan (sheet metal) 15 21
Oil Pan (cast) 22 31
Injection Line Attachment 21 30
Injection Valve Attachment 15 21
Lube Oil Filter Cartridge 19 27
Table 1-11. Component Weights
Component Pounds Kilograms
Tire & Wheel 867 393
Drive Hub & Motor 275.5 123
Engine Assembly 1275 579
Main Boom 5186 2357
Tower Boom 6990 3173
Tower Telescope Cylinder 915 415
Axle Oscillation Cylinder 74 34
Axle Extend Cylinder 92 42
Level Cylinder 89 40
Platform 36 x 96 245 111
Platform 36 x 72 195 89
Counterweight * 3320 1506
* For actual weight, see stamping on counterweight
Table 1-12. Pressure Settings
Function PSI Bar
Function Pump, High Press. Relief 3200 220.6
Function Pump Standby Pressure 450 31
Swing 1500 103.4
Main Telescope 2200 151.6
Axle, Extend & Retract 2500 172.3
Steer Left 2600 179
Steer Right 2000 138
Platform Level Up 3000 206.8
Platform Level Down 2500 172.3
Jib, Up & Down 2750 189.6