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Allis Chalmers HD11AG

R

Ranchlife

New User
Hey guys, so I am trying to pull the fuel pump off an HD11AG (I don't know the exact year). The pump type is Stanadyne DBGFC-637-42AG (aaaand...it seems like the previous owner changed the number from 42AF to 42AG or 42AC by scratching over it, for reasons I don't currently understand...).
I tried to find a service manual online, but couldn't find one. I really don't want to pull it off before knowing what angle I need to set for the timing. Any ideas guys?
Thanks!
Albe
a163581.jpg
 
The HD11G is with front loader and should have a AMERICAN BOSCH fuel injection pump and maybe the motor ben changed on your 11g and the STANADYNE injection pump was instaled on 10000-11000 motor snow blower
 
To set the timing before you remove the pump,take the cover plate off from the left side of the bellhousing at five past and inside you will see the timing pointer,take the cover off the pump that is held on with two slotted screws,bar the engine over in the normal direction till the timing marks appear on the flywheel,now look into the pump and match the mark on the rotor to the mark on the pump body,if the pump mark does not appear you will need to turn the engine a further 180°,with the marks lined up the engine is now on compression stroke No1 cylinder,remove the pump,disconnect the batteries,do not turn the engine till the pump is back on with its marks lined up,that's the timing.
AJ
 
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