JLG 740AJ, Service And Maintenance Manual

Page: 26 / 582

SECTION 1 - SPECIFICATIONS
1-4 3121160
Auxiliary Power Pump
Hydraulic Filter - In-line
1.3 TORQUE REQUIREMENTS
Table 1-16. Auxiliary Power Pump Specifications
(SN 0300069000 through 0300109066)
Pump Output 2.1 GPM (9.5 lpm) @ 1400 psi. (69 bar)
Pump Displacement
0.305 cu. in. (5 cm
3
)
Valving Non-Adj. Unloader Preset to 230 psi
Adjustable Relief Set at 1800 psi.
Motor 12 V.D.C. 2T Extended EMC Protected Intermittent
Duty
Rotation Counterclockwise
Table 1-17. Auxiliary Power Pump Specifications
(SN 0300109067 through 0300140000)
Pump Output 1.6 GPM (6.057 lpm) @ 1400 psi. (69 bar)
Pump Displacement
0.453 cu. in. (7.4 cm
3
)
Valving Non-Adj. Unloader Preset to 230 psi
Adjustable Relief Set at 1800 psi.
Motor 12/24 V.D.C. 2T Extended EMC Protected Inter-
mittent Duty
Rotation Counterclockwise
Table 1-18. Auxiliary Power Pump Specifications
(SN 0300140001 through 0300185827)
Pump Output 1.43GPM (5.4 lpm) @ 1800psi. (124 bar)
Pump Displacement
0.273 cu. in. (4.48 cm
3
)
Motor 24V.D.C. 5.0 Extended Duty
Rotation Counterclockwise
Table 1-19. Hydraulic FIlter Specifications
Return Filter 10 Microns Absolute
Charge Filter 10 Microns Absolute
Hydraulic Strainers (In Tank) 30 Microns
Table 1-20. Torque Requirements
Description Torque Value (Dry) Interval Hours
Wheel Bolts 300 ft. lbs.
(407 Nm)
150
Support to Rotator Bolts 85 ft. lbs.
(116 Nm)
150
Rotator Center Bolt 480 ft. lbs.
(651 Nm)
150
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
Oxygen Sensor (Ford Engine) 29.5-40 ft. lbs.
(40-54 Nm)
At Installation
Megajector Mounting Bolts
(Ford Engine) 859 in. lbs.
(97 Nm)
As Required
Lockoff Solenoid (Ford Engine) 8-12 ft. lbs.
(11-16 Nm)
At Installation
*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 fastener has loosened, refer to
the Torque Chart to determine proper torque value.