wsm L3301 User Manual

STEERING
L3301, L3901, L4701, WSM
7-S17
[B] HST Model
Hydraulic Pump Assembly
1. Remove the side cover.
2. Disconnect the suction hose (1).
3. Disconnect the power steering return hose (2).
4. Disconnect the delivery pipe (3-point hitch) (3).
5. Disconnect the power steering delivery hose (4).
6. Remove the hydraulic pump (5).
(When reassembling)
• Apply grease to the O-ring and be careful not to damage it.
• Be sure to wrap a seal tape to thread part of power steering
return hose (2).
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Hydraulic Pump Assembly
1. Remove the pump cover mounting screw (7).
2. Remove the drive gear (6), driven gear (2) and side plate (3)
from the casing.
(When reassembling)
• Be careful no to damage the gasket.
• Align the hole of the pump cover (4) and casing 2 (5).
• Install the side plate, noting its location and direction.
• Install the gears, noting its direction.
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Hydraulic Pump Running-in
After reassembly, perform break-in operation in the following
manner, and check the pump for abnormality before use. If the
pump temperature should rise noticeably during running-in, recheck
should be performed.
1. Install the hydraulic pump to the tractor, and mount the suction
pipe and delivery pipe securely.
2. Set the engine speed at 1300 to 1500 mm
-1
(rpm), and operate
the hydraulic pump at no load for about 10 minutes.
3. Set the engine speed at 2000 to 2200 mm
-1
(rpm), and with the
hydraulic pump applied with 2.9 MPa (30 kgf/cm
2
, 430 psi) to
4.9 MPa (50 kgf/cm
2
, 710 psi) pressure, operate it for approx.
15 minutes.
4. With the engine set to maximum speed, fully turn the steering
wheel to the left or right, then actuate the relief valve five times
for 25 seconds (one time 5 seconds).
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Tightening torque
Hydraulic pump assembly
mounting screw and nut
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
Delivery pipe (3-point hitch)
mounting bolt
17.6 to 20.6 N·m
1.8 to 2.1 kgf·m
13 to 15 lbf·ft
(1) Suction Hose
(2) Power Steering Return Hose
(3) Delivery Pipe (3-point Hitch)
(4) Power Steering Delivery Hose
(5) Hydraulic Pump
Tightening torque
Pump cover mounting
screw
40 to 44 N·m
4.0 to 4.5 kgf·m
29 to 32 lbf·ft
(1) Casing 1
(2) Driven Gear
(3) Side Plate
(4) Pump Cover
(5) Casing 2
(6) Drive Gear
(7) Screw
KiSC issued 09, 2016 A

wsm L3301 Specifications

General

Brand	wsm
Model	L3301
Category	Tractor
Language	English