4-S5
ZD18(F) · ZD21(F) · ZD28(F), WSM
HYDRAULIC SYSTEM
[2] LIFT CYLINDER
(1) Disassembling and Assembling
Removing Lift Cylinder
1. Disconnect the cylinder hose (3) from the lift cylinder (8).
2. Remove the clevis pins (11), (5), and remove the lift cylinder (8).
(When reassembling)
• Do not forget and put the orifice (1) when you remove the adaptor
(4). And note the direction of the orifice (1).
• Use hydraulic thread sealer on the taper thread of adaptor (2),
(4).
W1012682
Disassembling Mower Linkage
W1012934
1. Remove the both front arm mounting screws (9), then remove the front arms.
2. Remove the both clevis pins and the rear arms (6).
3. Remove the both side of bushes (5) and remove the lift shaft (10).
4. Remove the retainer spring (4).
5. Remove the cutting height adjusting dial knob (1).
6. Remove the nut and remove the adjusting cam (3) and cutting height adjusting rod (2).
(When height by mower is lifted become insufficient : ZD28(F))
1. Because the mower linkages are worn out and correct height was not able to be obtained, the adjustment coller
(11) is built in.
2. 6.35 mm (0.25 in.) mower lifts high by changing the position of the adjusting coller (11).
3. The adjusting coller (11) is moved from former position underneath the adjusting cam (3).
(1) Orifice
(2) Adaptor
(3) Cylinder Hose
(4) Adaptor
(5) Clevis Pin
(6) Plain Washer
(7) Cotter Pin
(8) Lift Cylinder
(9) Cotter Pin
(10) Plain Washer
(11) Clevis Pin
(1) Cutting Height Adjusting
Dial Knob
(2) Cutting Height Adjusting
Rod
(3) Adjusting Cam
(4) Retainer Spring
(5) Bush
(6) Rear Arm
(7) Horizon Plate
(8) Front Arm
(9) Front Arm Mounting Screw
(10) Lift Shaft
(11) Adjusting Coller (ZD28(F))
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