6-S9
ZD21N-EC, ZD21-EC, ZD28-EC, WSM
ROTARY MOWER
Center Pulley Holder
1. Unscrew the center pulley holder screws (5) and reamer screws
(10).
2. Remove the upper oil seal (11) and lower oil seal (4).
3. Remove the internal snap ring (3) and ball bearing (2).
(When reassembling)
• Replace the oil seals (4), (11) with new ones.
• Install the reamer screws (10) at their original positions as shown
in the figure.
NOTE
■
• When reassembling the center pulley holder (12), gear box
and gear box stays (7), (8), screw the all screws by hand
temporary.
• Tighten the screws in the order as below, to prevent the
incline the gear box.
• Tighten the reamer screws (9) to the gear box first, then
tighten the reamer screws (10) to the center pulley holder
(12) with specified torque.
• Tighten the gear box screws (6) to the gear box, then tighten
the center pulley holder screws (5) with specified torque.
• See page 6-S8 for tightening torque of gear box screw.
W1013720
Tightening torque
Center pulley holder screw
(Standard type / Reamer
type)
77.6 to 90.2 N·m
8.0 to 9.2 kgf·m
57.1 to 65.1 ft-lbs
(1) Internal Snap Ring
(2) Ball Bearing
(3) Internal Snap Ring
(4) Oil Seal
(5) Center Pulley Holder Screw
(6) Gear Box Screw
(7) Gear Box Stay RH
(8) Gear Box Stay LH
(9) Gear Box Reamer Screw
(10) Center Pulley Holder Reamer
Screw
(11) Oil Seal
(12) Center Pulley Holder
KiSC issued 09, 2006 A
Summary of Contents for ZD21-EC
Page 1: ...ZD21N EC ZD21 EC ZD28 EC WORKSHOP MANUAL ZERO TURN MOWER KiSC issued 09 2006 A ...
Page 7: ...5 ZD21N EC ZD21 EC ZD28 EC WSM SAFETY INSTRUCTIONS KiSC issued 09 2006 A ...
Page 8: ...6 ZD21N EC ZD21 EC ZD28 EC WSM SAFETY INSTRUCTIONS KiSC issued 09 2006 A ...
Page 11: ...9 ZD21N EC ZD21 EC ZD28 EC WSM DIMENSIONS DIMENSIONS KiSC issued 09 2006 A ...
Page 12: ...G GENERAL KiSC issued 09 2006 A ...
Page 59: ...1 ENGINE KiSC issued 09 2006 A ...
Page 60: ...CONTENTS MECHANISM 1 FUEL SYSTEM 1 M1 1 GOVERNOR 1 M1 KiSC issued 09 2006 A ...
Page 138: ...2 TRANSAXLE KiSC issued 09 2006 A ...
Page 178: ...3 FRONT AXLE KiSC issued 09 2006 A ...
Page 179: ...CONTENTS MECHANISM 1 STRUCTURE 3 M1 KiSC issued 09 2006 A ...
Page 187: ...4 HYDRAULIC SYSTEM KiSC issued 09 2006 A ...
Page 202: ...5 ELECTRICAL SYSTEM KiSC issued 09 2006 A ...
Page 205: ...5 M2 ZD21N EC ZD21 EC ZD28 EC WSM ELECTRICAL SYSTEM ZD28 KiSC issued 09 2006 A ...
Page 206: ...5 M3 ZD21N EC ZD21 EC ZD28 EC WSM ELECTRICAL SYSTEM ZD21N ZD21 KiSC issued 09 2006 A ...
Page 207: ...5 M4 ZD21N EC ZD21 EC ZD28 EC WSM ELECTRICAL SYSTEM ZD28 KiSC issued 09 2006 A ...
Page 237: ...6 ROTARY MOWER KiSC issued 09 2006 A ...
Page 238: ...CONTENTS MECHANISM 1 POWER TRANSMISSION 6 M1 2 LIFTING MECHANISM 6 M2 KiSC issued 09 2006 A ...