Yanmar EF-494T - Fuel Injection Pump

3 ENGINE 3 ENGINE
EF494T TM 06/2011 edition
95
Checking the radiator cap
(1) Put the cap on the tester adaptor.
(2) Run the pump to apply pressure. If the
gauge stays in the normal range for 6
seconds it means the cap is holding the
correct pressure. If the pressure does not
go up, suspect a damaged spring or worn
gaskets. Replace the cap.
.
Normal pressure: 0.9 ±0.15 kgf/cm
2
(12.8±2.1 lb/sq.in)
CAUTION
To deal with variations in the size of the cap tabs,
check the pressure twice, once with the cap
turned 180°.
3.4.3 Fuel injection pump
Removal
(1) Loosen the cooling fan V-belt.
(2) Remove the engine coolant fan guard (if
equipped), engine coolant fan (Figure 1,
(2)), spacer (Figure 1, (3)) if equipped, V-
pulley (Figure 1, (4)) and cooling fan V-belt
(Figure 1, (1)).
Figure 1
(3) Close any fuel valves in the fuel supply line.
(4) Place a drain pan under the fuel injection
pump to catch any spillage.