(800) 853-2651
SHOP NOW

fuel pump/engine picture

D

Dave H (MI)

Well-known Member
I thought I had a picture of the engine, but apparently not. Here is a picture of the fuel pump on the MF swather that I asked about last night in my "engine question" thread. There are no wires going to the pump so I am not clear exactly how it works. I also am not clear on if it needs to be primed. The gas tank was completely dry. I must have done that before I stored it away. The rubber hose running to the pump is from the gas tank and has one of those in line filters you buy at tractor shows in the line. My experience with those is that once they dry out after use they need to be replaced so I will do that. The metal line goes from pump to carb. Carb is in the second picture. I pulled the battery and put it on charge. So how does a pump like this get powered and does it need priming or will it just pull the fuel up on it's own? Appreciate any comments.

cvphoto34434.jpg



cvphoto34435.jpg
 
That's the Chevy 2 engine, not one from a Chevette. The fuel pump is driven by the camshaft, and is self priming. Pour a bit of gas down the carb, crank it and it should fire if there is fuel in the tank. Those fuel pumps seldom give any trouble and are cheap and easy to replace.

Ben
 
this is a manual pump that runs off the camshaft with an essentric to operate the pump lever. it produces a suction and has valves in side to pump the fuel to the carb. make sure the filter is on the pressure side not the suction side. no priming necessary. and yes I can se that is a G.M. engine. the one I had had the continental engine but im sure it was the older model swather.
 
All these replies arevery helpful, thanks nmuch for the info. I will move the filter to the pressure side, put some gas in the carb and go from there.
 
All my stuff has the filter before the fuel pump. Seems to me better that way. No garbage going thru the fuel pump to plug up the valves.
 
yes they did have a push rod, had to hold it up with a long skinny screwdriver while installing pump. fords ran right off the camshaft.
 
If it's run like it is without fuel problems, I would leave the filter where it is.

I don't like cutting factory steel lines, they are safer than rubber hoses.

That is a 153 Chevy. The pump is readily available if needed. Fits mid 60's-80's Chevy II, Nova, any inline 4 or 6 of that era.

Good chance the pump may fail after sitting. That's the original pump, the diaphragm has to be getting old by now. Watch for fuel leaking out the vent hole on the side of the pump, or sometimes they will pump gas into the oil.
 
(quoted from post at 20:57:16 08/24/19)
Memory fails me, Centash. Did those pumps have an actuator rod between the pump lever & the cam eccentric?
Click to expand...

I am pert neer sure they were direct drive off the cam no push rod used like a V8...

Fuel filter can go on either side... The vent hole is a vent hole for the diaphragm it will not pump well if its plunged up and if the diaphragm leaks it will leak out the vent hole..

Vent hole story... I had a bud that ran 6 cly chebbys in a dirt car it would starve for fuel about haft way thru the race I checked it told him to put a new pump on it... The next week he called me to check it again new pump checked bad I told him to put another pump on it... Next week same story so I asked for the old/new pumps he had plugged the vent holes to keep dirt out of'em LOL...

If you ever need a new pump the pump code is stamped on the side of the pump flange where it mounts to the engine a good parts guy can look it up..I prefer Carter pumps...
 
(quoted from post at 12:14:01 08/24/19)
(quoted from post at 20:57:16 08/24/19)
Memory fails me, Centash. Did those pumps have an actuator rod between the pump lever & the cam eccentric?
Click to expand...

I am pert neer sure they were direct drive off the cam no push rod used like a V8...
Click to expand...

I agree, Hobo.

Chevy small block and big block V-8's used a fuel pump pushrod, this little "Chevy II" 4 cylinder and the V-6 series it's derived from DID NOT.
 
If they are like the inline 6 they had no actuator rod. On the 6 and the 4 is the same, the camshaft ran along the right hand side of the engine, close enough to the side of the engine that the lever on the pump would contact the cam lobe when it was installed. The V8 models had the rod since the camshaft on those was located in the very centre of the block.

Ben
 
You must log in or register to reply here.

Similar threads

B
Kohler Engine Fuel Pump
Replies
4
Views
669
oldsarge
O
O
Johndeere 410B 4x4 backhoe wont start since last fall 2023. I have changed fuel filter, manual fuel pump, checked fuel solenoid visibly
Replies
6
Views
364
37chief
3
motoOzarks
Simms injector pump question
Replies
6
Views
456
Dieseltech
D
R
Ferguson 135 diesel wont run
Replies
9
Views
447
Rick Beament
R
G
IH 3500A Fuel problems
Replies
8
Views
467
grounder
G
Tractor Parts Tractor Manuals

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Copyright © 1997-2024 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters
Website Accessibility Policy

Back
Top