Baroness LM331, Service Manual, Page: 114 / 165

Adjusting the Neutral Position of the Piston
Pump
Caution
Make sure not to touch rotating tires.
Caution
Be careful not to touch the muffler.
Caution
When adjusting the neutral position, pay close
attention to abrupt start of the machine.
Place the jacks beneath the jack-up points,
and then lift the machine until all the tires get
off the ground.
Important
Make sure that there is no abnormality in the
bearings of the trunnion lever. If there is an
abnormality, perform a replacement before the
following operation.
If the machine moves forward or backward
while the traveling pedals are released, they
are not set to the neutral position.
Follow the steps below to make adjustments.
Stop the engine.
Place the jacks beneath the jack-up points,
and then lift the machine off the ground.
Use stable jack stands, and raise the
machine until the tires lift off the ground.
"Jack-up Points" (Page 3-9)
Make sure that no tires get contact with the
jack stand.
Open the hood.
Make sure that the length of the spring of the
lever adjuster is 53.0 mm (2.09 in).
Loosen the lock nut as necessary to make
adjustment. 1.
2.
3.
4.
5.
A
1 2 3
fhjgud-016
Adjusting the Neutral Position of the Piston Pump_001
1 Lever adjustment bracket
2 Spring
3 Lock nut
A 53.0 mm (2.09 in)
Adjust the neutral position.
Follow these steps to adjust the neutral
position.
When the tire moves in the direction of
forward travel, slide the cam lever in
direction A.
When the tire moves in the direction of
backward travel, slide the cam lever in
direction B.
Make sure that the engine has stopped.
Turn the cam lever shaft bolt
counterclockwise 60 ° or up to 120 ° to
loosen it.
Tap the cam lever fulcrum (pipe portion)
with a plastic hammer in the direction of
black arrow to slide the cam lever in the
direction A or B.
Tighten the cam lever shaft bolt.
2
3
1
A
B
hsn2jo-016
Adjusting the Neutral Position of the Piston Pump_002
1 Cam lever
2 Cam lever shaft bolt
3 Lever adjustment bracket
6.
･
･
[1]
[2]
[3]
[4]
LM331
Main body
Page 6-6
Adjustment