HYDRAULIC SYSTEM
M6060, M7060, WSM
7-S19
[2] THREE POINT HITCH HYDRAULIC BLOCK ASSEMBLY
(1) Removing 3-point Hitch Hydraulic Block (ROPS Model)
Preparation
1. Disconnect the auxiliary control valve wire (3).
2. Disconnect the cylinder hoses (6), (8).
3. Disconnect the return hose (4).
4. Disconnect the lowering speed adjusting rod (5).
5. Remove the cylinder pins (7), (9) and the cylinder (10) (R.H.,
L.H.).
6. Disconnect the ground cable from hydraulic cylinder block.
7. Disconnect the position control rod (2) and draft control rod (1).
8. Disconnect the 3-point hitch delivery pipe (11).
• Be careful not to damage the grease fitting when remove
the hydraulic cylinder pin.
(When reassembling)
• Apply grease to the grease fittings.
• Be careful not to damage the grease fittings when reassemble
the hydraulic cylinder.
• To assemble the auxiliary control valve wire, see page 7-S16.
• Be sure to fit the O-rings for auxiliary control valve.
• To adjust the position control rod (13) and the draft control rod
(12), see page 7-S9.
9Y1210828HYS0017US0
Removing 3-point Hitch Hydraulic Block Assembly
1. Remove the 3-point hitch hydraulic block mounting screws and
nuts.
2. Remove the 3-point hitch hydraulic block assembly with nylon
lift strap and hoist.
(When reassembling)
• Apply liquid gasket (Three Bond 1206C or equivalent) to joint
face of transmission case and cylinder block.
• After reassembling the 3-point hitch hydraulic block
assembly to the tractor, be sure to adjust the position and
draft levers and position and draft feedback rods.
9Y1210828HYS0018US0
Tightening torque
3-point hitch delivery pipe
retaining nut
107.9 to 117.7 N·m
11.0 to 12.0 kgf·m
79.6 to 86.8 lbf·ft
Cylinder hose retaining nut
45.1 to 53.0 N·m
4.6 to 5.4 kgf·m
33.3 to 39.1 lbf·ft
(1) Draft Control Rod
(2) Position Control Rod
(3) Auxiliary Control Valve Wire
(4) Return Hose
(5) Lowering Speed Adjusting Rod
(6) Cylinder Hose (L.H.)
(7) Cylinder Pin (Upper)
(8) Cylinder Hose (R.H.)
(9) Cylinder Pin (Lower)
(10) Hydraulic Cylinder
(11) 3-point Hitch Delivery Pipe
L1 : Position Control Rod Length
L2 : Draft Control Rod Length
Tightening torque
3-point hitch hydraulic
block mounting screw
(M14, 9T)
166.7 to 196.1 N·m
17.0 to 20.0 kgf·m
123.0 to 144.7 lbf·ft
3-point hitch hydraulic
block mounting nut
(M14, 7T)
123.6 to 147.1 N·m
12.6 to 15.0 kgf·m
91.1 to 108.5 lbf·ft