New Holland LS140 Workshop Manual page 480

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3. Boom and Bucket Spool Locks, 1

(Control valve spools in neutral and boom

and bucket resting on the ground)

a. Sit in the seat. After the EIC board self tests,

turn the ignition switch to the "ON" position.

The boom and bucket controls should not

move. If OK, go to the next step. If the

controls can be moved, check the solenoids

for operation and check the control linkage

and valve spool centering for binding causing

the spools not to center to the neutral

b. Sit in the seat, buckle the seat belt and try

moving the boom and bucket controls. The

controls should not move. If OK, go to the

next step. If the controls can be moved,

check the solenoids for operation and check

the control linkage and valve spool centering

for binding causing the spools not to center

to the neutral position.

c. Sit in the seat, buckle the seat belt, and turn

the ignition switch to the "ON" position. If the

controls move allowing boom and bucket

operation, go to the next step. If the controls

do not move, check the solenoids for

operation and for battery voltage at the

d. Sit in the seat, buckle the seat belt, and turn

the ignition switch to the "ON" position. Move

the controls and return the controls to the

centered (neutral) position. Unbuckle the

seat belt. Try moving the controls; they

should be locked. Rebuckle the seat belt; the

controls should move allowing boom and

bucket movement.

SECTION 55 - ELECTRICAL SYSTEM

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