Cylinder Head; Disassembled Cylinder Head; C Y L I N D E R H E A - Yanmar YSE8 Service Manual

3)
With it set in the gtoove on the drive shaft, insert the impeller into the pump body.
The ddve shaft rotates counter-clockwise when viewed from the pulley side. Be
sure the impeller is inserted correctly.
4)
Place the pump body cover.
5)
Attach the key and the V pulley, place the lock washer and tighten the nut,
6)
Bend the lock washer.
7)
Attach the pump assembly to the engine and tighten the V belt.
Adjust the finger-depressed deflection to 5-? mm.
Vedfication
the pump
assembly to the engine and operate it to verify that its discharge ls as
specified betow:
a
YSE8
YSE 12
Eoo lit. /hr.
460 lit.,/hr.
Pump shaft speed 2000 rpm
(Crankshaft speed 3200 rpm)
Pump shalt speed 1900 rpm
(Crankshaft speed 3000 rpm)
"
If operated *ithogt water, the rubber impeller with burn. Never operate without
water!
8.3
CYlinder Head
The cylinddr head is a gasket type:
the valve guides and the cylindet head are in one
piece, and a la4e diameter intake valve is used fot $eater suction €fficiency. The intake
and exhaust valves are of th€ totally enclosed and supplied lube oil with iorcedcirculation
Iubication svstem.
Disassembled Cylinder Head
intake/
rne-€
o 6
€
intake/
o
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