M3A1 Scout Car Fuel Pump Issues.

Armor, Military Vehicles, Wanted, For Sale (NO AUCTION or EBAY), and Knowledge Base
Post Reply
martinwcox
G-Staff Sergeant
G-Staff Sergeant
Posts: 55
Joined: Thu Jul 17, 2014 6:45 am
Location:

M3A1 Scout Car Fuel Pump Issues.

Post by martinwcox » Sat Apr 24, 2021 9:10 am

I have the core, here is the problem.
Truck would not run, no fuel to carb. Fuel to pump fine, nothing out the pump and no fuel on the floor. Removed pump and disassembled. Looked fine, replaced diaphragm and valves anyway as it was apart. Back together and once all screwed down the actuator (foot) when manually operated, diaphragm does not move up \ down. Does move up \ down before all screwed together. Even put the old diaphragm back same issue. I was expecting 'some' up \ down movement?

Suggestions \ ideas from the guru's

TIA

Martin.


willys
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 374
Joined: Sun Dec 18, 2016 11:24 am
Location: GA

Re: M3A1 Scout Car Fuel Pump Issues.

Post by willys » Wed Apr 28, 2021 5:08 am

Not sure had similar problem with a Halftrack but check to see if there is a push rod in the fuel pump opening coming from the cam

Big D
G-Captain
G-Captain
Posts: 788
Joined: Sat Sep 19, 2009 11:22 pm
Location:

Re: M3A1 Scout Car Fuel Pump Issues.

Post by Big D » Thu Apr 29, 2021 3:35 am

Hi Martin,

I might be asking the obvious but is the ‘hook’ on the pump arm correctly engaging with the eye on the top of diaphragm rod? There is a knack to getting that to engage as you screw the fuel pump together.
Darryl Lennane
NZ

1943 Willys MB
1941 LP2A MG Carrier
1943 White M3A1 AOP
1942 Willys MBT
1944 Ford M8 Armoured Car
1945 Ford M20 Armoured Car


Post Reply

Return to “Armor”

Who is online

Users browsing this forum: No registered users and 55 guests