Stone XD836Y, Operators & Service Manual

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4.9 Disassembly and Reassembly - Fuel Injection Pump
This is a standard fuel injection pump body.
Disassemble and reassemble the fuel pump in
the direction order of “UP”, “DOWN” and “SIDE”
from the center of the fuel injection pump body
(marked “C”) as illustrated. Reassemble the
gasket A and B for the delivery seat in the
position at the time of disassembly.
NOTE:
See the position of mark*.
Never remove the suction pipe joint from the
pump body during routine disassembly.
Symbols;
Directions of disassembly from the center of fuel
pump body (C).
4.10 Fuel Injection Valve
Specifications Model: YDLLA-P
Example:
Symbol 150P indicates an injection angle of 150
°
;
symbol 224A1 implies 4 nozzle holes which are 0.22mm
in injection hole diameter.
CAUTION:
1. When replacing fuel injection valve, be sure to
check engine model against the identity marks
shown above. Any injection valve is least
identifiable in appearance.
2. When removing the fuel injection valve, wrap it in
cloth to protect the nozzle tip (injection port). Do
not place the nozzle tip directly on the ground.
WARNI
Fuel Injection Valve Specifications