13 critical stability weights, 14 pressure settings, Critical stability weights -5 – JLG M400 Service Manual Service Manual User Manual
Page 19: Pressure settings -5, Pressure settings - prior to s/n 0300062642 -5, Pressure settings - s/n 0300062642 to present -5

SECTION 1 - SPECIFICATIONS
3121827
– JLG Lift –
1-5
1.13 CRITICAL STABILITY WEIGHTS
DO NOT REPLACE ITEMS CRITICAL TO STABILITY WITH ITEMS
OF DIFFERENT WEIGHT OR SPECIFICATION (FOR EXAMPLE: BAT-
TERIES, FILLED TIRES, PLATFORM) DO NOT MODIFY UNIT IN
ANY WAY TO AFFECT STABILITY.
1.14 PRESSURE SETTINGS
Table 1-13. Critical Stability Weights
Component
KG.
LB.
Counterweight
1746
3850
Tire & Wheel (foam-filled)
94
207
Platform (4ft [1.2 m])
41
90
Platform (5 ft. [1.5 m])
45
100
Battery (each)
54
120
Table 1-14. Pressure Settings - Prior to S/N 0300062642
Circuit
PSI
Bar
Main Control Valve
Lift Down Relief
550
38
Tower Lift Down Relief
1700
117
Telescope In Relief (A/AJ)
2150
148
Telescope In Relief (AJP)
3000
207
Platform Level Up Relief
2500
172
Platform Level Down Relief
1500
103
Brake/Steer Valve
Steer Relief
2300
159
Steer Relief - AJPn
1100
76
Main Relief - E400A/M400A
3200
221
Main Relief - E400AJ/M400AJ
3400
234
Jib Valve
Jib Relief (Up and Down)
1500
103
Jib Swing Relief
3000
207
Releveling Valve
Releveling Relief
1200
83
Table 1-15. Pressure Settings - S/N 0300062642
to
Present
Circuit
PSI
Bar
Main Control Valve
Lift Down Relief
800
55
Tower Lift Down Relief (E/M400A)
Prior to S/N 86022
1700
117
Tower Lift Down Relief (E/M400A)
S/N 86022 to Present
2600
179
Tower Lift Down Relief (E/M400AJP)
Prior to S/N 91053
1700
117
Tower Lift Down Relief (E/M400AJP)
S/N 91053 to Present
2600
179
Telescope Relief (A)
3000
207
Telescope Relief (AJ & AJP)
3100
214
Platform Level Up Relief
3000
207
Platform Level Down Relief
1200
83
Brake/Steer Valve
Steer Relief - AJP/A
2300
159
Steer Relief - An
1100
76
Steer Relief - AJPn
1400
96.5
Main Relief
3400
234
Jib Valve
Jib Relief Up
2200
152
Jib Swing Relief
3000
207
Releveling Valve
Releveling Relief (E/M400A)
Prior to S/N 86022
1200
83
Releveling Relief (E/M400A)
S/N 86022 to Present
2200
152
Releveling Relief (E/M400AJP)
Prior to S/N 91053
1200
83
Releveling Relief (E/M400AJP)
S/N 91053 to Present
2200
152