ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S61
Gear Case (for Side PTO Model)
1. Remove the gear case (1).
2. Remove the O-rings (2).
(When reassembling)
• Replace the gear case gasket and O-rings.
• Make sure that there are 4 O-rings (2) in the gear case (1).
• Apply a thin layer of engine oil to the oil seal.
Then install the oil seal not to come off the lip.
• Before you install the gear case gasket, apply an adhesive that
does not become dry.
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Gear Case
1. Remove the hour meter gear case (if attached).
2. Remove the gear case (1).
3. Remove the O-rings (2).
(When reassembling)
• Replace the gear case gasket and O-rings (2).
• Replace the hour meter gear case gasket with a new one.
• Make sure that there are 4 O-rings (2) in the gear case (1).
• Apply a thin layer of engine oil to the oil seal.
Then install the oil seal not to come off the lip.
• Before you install the gear case gasket, apply an adhesive that
does not become dry.
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Crankshaft Oil Slinger
1. Remove the crankshaft collar (3).
2. Remove the O-ring (2).
3. Remove the crankshaft oil slinger (1).
(When reassembling)
• Attach the crankshaft collar (3) after you install the gear case to
the cylinder body.
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Idle Gear
1. Remove the external snap ring.
2. Remove the idle gear collar.
3. Remove the idle gear (2).
(When reassembling)
• Align each gear with its mark.
– Idle gear (2) and crank gear (4)
– Idle gear (2) and cam gear (3)
– Idle gear (2) and injection pump gear (1)
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(1) Gear Case (2) O-rings
(1) Gear Case
(2) O-ring
(3) Oil Seal
(1) Crankshaft Oil Slinger
(2) O-ring
(3) Crankshaft Collar
(1) Injection Pump Gear
(2) Idle Gear
(3) Cam Gear
(4) Crank Gear
(5) Oil Pump Drive Gear