JLG 4394RT Service Manual - Manual (Page 140)

SECTION 4 - HYDRAULICS
4-16 – JLG Lift – 3121133
4.10 DRIVE HEADER VALVE (2WD)
4.11 DRIVE HEADER VALVE (4WD)
A1 B1
CV
LRB RRA
LRA RRB
1
2
LRB RRA LRA RRB
CV
B1 A1
Figure 4-17. Drive Header Valve (2wd)
item # Torque
1 (FSDH-XAN)
45 - 50 ft-lbs
(61 - 68 Nm)
2 (CXAD-XCN)
25 - 30 ft-lbs
(34 -41 Nm)
LRA RRA
RRB LRB
B1
B2
A1
A2
LFB
RFA
RFB
LFA
LRA RRA RRB LRB
B1 B2 A1 A2
LFB RFA RFB LFA
Figure 4-18. Drive Header Valve (4wd)