(F) Water pump and relief valve
1. Remove the water pump body (1).
2. Remove the relief valve cover (2) and take out the
ball, spring and seat.
(When reassembling)
•
Install the relief valve cover (2) with its mark up.
Tightening
Relief valve
torque
cover screw
(G)
Idle gear and crank gear
1. Remove the crankshaft collar (6), O-ring (5), oil
slinger (4) and crank gear collar (3) in the order.
2. Remove the idle gear (1).
3. Remove the crankshaft gear (2) with a special use
puller set.
(When reassembling)
•
Heat the crankshaft gear to approx. 80 °C (176 °F)
and insert the crankshaft.
•
Apply oil to the O-ring (5).
IMPORTANT:
•
Install the idle gear, aligning the alignment marks
referring to the figure.
D615-W02 May-2003
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
32.4 ~ 36.3 N·m
3.3 ~ 3.7 kgf·m
23.9 ~ 26.8 lbf·ft
(1) Water Pump Body
(1) Idle Gear
(2) Crankshaft Gear
(3) Crank Gear Collar
(4) Oil Slinger
(5) O-Ring
ENGINE SYSTEM
615W279A
(2) Relief Valve Cover
615W280A
615W281A
(6) Crankshaft Collar
(7) Oil Pump Gear
(8) Injection Pump Gear
(9) Cam Gear
2-43