Kubota M5040 Workshop Manual page 172

M5040, M6040, M7040, WSM
Camshaft and Idle Gear
1. Rotate the cylinder head side of the engine crankcase to the
lower side.
2. Remove three set screws of the camshaft holder (7) and draw out
the camshaft.
3. Remove the idle gear mounting screws (8) and draw out the idle
gear.
NOTE
• If the cylinder head side of the engine crankcase does not
become lower side, the tappets drop and become the trouble
to the camshaft. The camshaft will not be able to be drawn
out.
(When reassembling)
• When installing the idle gear (2) and cam gear (4), be sure to
place the 4th cylinder piston at the top dead center in
compression then, align all mating marks on each gear to
assemble the timing gears, set the cam gear last.
• Mount the injection pump gear (6) after installing the flywheel
housing.
Camshaft set screw
Tightening torque
Idle gear mounting screw
(1) Balancer 2 Gear
(2) Idle Gear
(3) Crank Gear
(4) Cam Gear
Balancer Shaft
1. Remove the balancer shaft 1 set screws (1) and draw out the
balancer shaft 1 (3).
2. Remove the balancer shaft 2 set screws (2) and draw out the
balancer shaft 2 (4).
(When reassembling)
• When installing the balancer shaft 1 (3) and 2 (4), be sure to
place the 4th cylinders piston at the top dead center in
compression then, align all mating marks on each gear to
assemble the timing gears, set the cam gear last.
Tightening torque Balancer shaft set screw
(1) Balancer Shaft 1 Set Screw
(2) Balancer Shaft 2 Set Screw
1-S46
ENGINE
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.3 to 20.3 lbf·ft
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.3 to 20.3 lbf·ft
(5) Balancer 1 Gear
(6) Injection Pump Gear
(7) Camshaft Set Screw
(8) Idle Gear Mounting Screw
W1189797
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.3 to 20.3 lbf·ft
(3) Balancer Shaft 1
(4) Balancer Shaft 2
W1191037
KiSC issued 06, 2008 A