Restricted To Transport - Osc Axle Press Sw Disagreement - JLG 1250AJP Troubleshooting Manual

Note Pretest Instructions
1.265.12 Remove terminal 8 of the
turntable (top) swivel con-
nector [X083.8]
1.265.13 Remove terminal 4 of the 12
position BLAM-Valve har-
ness passthru connector
[X058.4]
1.265.14 Remove terminal 3 of the
BLAM module J5 connector
[X090.3]
1.265.15 Remove terminal 8 of the
chassis (bottom) swivel
connector [X216.8] and dis-
connect the axle lockout
valve solenoid DIN connec-
tor [X212]
1.265.16 Remove terminal 8 of the
Turntable (top) swivel con-
nector [X083.8] and discon-
nect the axle lockout valve
solenoid DIN connector
[X212]
1.265.17 Remove terminal 4 of the 12
position BLAM-Valve har-
ness passthru connector
[X058.4] and disconnect the
axle lockout valve solenoid
DIN connector [X212]
1.265.18 Remove terminal 3 of the
BLAM module J5 connector
[X090.3] and disconnect the
axle lockout valve solenoid
DIN connector [X212]

1.266 RESTRICTED TO TRANSPORT - OSC AXLE PRESS SW DISAGREEMENT

Flash Code: 8-6
Restricted to transport - Oscillating axle pressure switch disagreement. The control system detected hydraulic pressure at
the oscillating axle lockout pressure switch while the oscillating axle lockout valve solenoid was not being energized or did
not detect pressure while the solenoid was energized. These fault conditions were detected for at least 5 seconds. This fault
is ignored if the engine speed is under 1200 RPM. Only when driving in transport position should the oscillating axle lockout
valve solenoid be energized, closing the oscillating axle lockout pressure switch and unlocking the oscillating axle cylinders.
When out of transport position, drive/steer, tower lift up, main lift up, and main telescope out are prevented. This fault will be
3128411
SECTION 1 - FAULT DICTIONARY AND SELECTED TROUBLESHOOTING
Test
Does the voltage on terminal 1 of the axle lock-
out valve solenoid DIN connector
[X212.1.soc] measure 12VDC?
Does the voltage on terminal 1 of the axle lock-
out valve solenoid DIN connector
[X212.1.soc] measure 12VDC?
Does the voltage on terminal 1 of the axle lock-
out valve solenoid DIN connector
[X212.1.soc] measure 12VDC?
Is there continuity between terminal 8 of the
chassis (bottom) swivel connector
[X216.8.pin] and terminal 1 of the axle lockout
valve solenoid DIN connector [X212.1.soc]?
Is there continuity between terminal 8 of the
Turntable (top) swivel connector [X083.8] and
terminal 1 of the axle lockout valve solenoid
DIN connector [X212.1.soc]?
Is there continuity between terminal 4 of the 12
position BLAM-Valve harness passthru con-
nector [X058.4] and disconnect the axle lock-
out valve solenoid DIN connector [X212] and
terminal 1 of the axle lockout valve solenoid
DIN connector [X212.1.soc]?
Is there continuity between terminal 3 of the
BLAM module J5 connector [X090.3] and ter-
minal 1 of the axle lockout valve solenoid DIN
connector [X212.1.soc]?
1250AJP
Result Corrective Action
Yes Replace the collector ring and swivel harness
No Go to step 1.265.13
Yes Repair/Replace the ORANGE 60-1 wire between
terminal 4 of the 12 position BLAM-Valve harness
passthru connector [X058.4] and terminal 8 of
the Turntable (top) swivel connector [X083.8]
No Go to step 1.265.14
Yes Repair/Replace the ORANGE 60-1 wire between
terminal 3 of the BLAM module J5 connector
[X090.3] and terminal 4 of the 12 position BLAM-
Valve harness passthru connector [X058.4]
No Replace the BLAM module
Yes Go to step 1.265.16
No Repair/replace the ORANGE 60-2 wire between
terminal 1 of the axle lockout valve solenoid con-
nector [212.1] and terminal 8 of the chassis (bot-
tom) swivel connector [X216.8]
Yes Go to step 1.265.17
No Replace the Collector Ring and swivel harness
Yes Go to step 1.265.18
No Repair/Replace the ORANGE 60-1 wire between
terminal 4 of the 12 position BLAM-Valve harness
passthru connector [X058.4] and terminal 8 of
the Turntable (top) swivel connector [X083.8]
Yes Replace the BLAM module
No Repair/Replace the ORANGE 60-1 wire between
terminal 3 of the BLAM module J5 connector
[X090.3] and terminal 4 of the 12 position BLAM-
Valve harness passthru connector [X058.4]
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