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Front Loader Not Lifting And PTO Clutch Setting, Massey Ferguson 35

Hi,

Found the web site very useful some very good information here, but I can’t find the answer to my particular problem.

I have a MF35 fitted with a mill bucket front loader that we inherited with our small holding. I would like to ask two questions if I may;

The first is regarding the mill bucket, if there is no load on the rear arms the front loader will not lift, I have checked the oil level and that is fine. With a rear load on the arms the front loader works fine, but I think lacks lifting power.

The second question concerns the PTO.

I can engage the live PTO option (lever down) without a problem and the shaft runs continuously however when an implement is coupled to the shaft it becomes impossible to select the live position I get barking of gears and resistance in the leaver. I can however always select the ground speed option (lever up) effortlessly.

I have adjusted the clutch freeplay and turned the idle speed down none of which has helped.

I would like to run implements such as a baler, topper, and cultivator so I need the live PTO option, could you offer advice please?

Many thanks

Pete Ashby

Hi Pete,

First the PTO. You need to take off the bottom inspection plate and adjust the screws, the information you need to do this is on the  MF35 PTO Clutch Adjustment Page.

As for the loader. Does the loader not lift when the arms come to the top (with no weight on them)? – Set the round lever somewhere in the response zone (between fast and slow), then use the square lever to operate the hydraulics.

The hydraulics lacking lifting power could be a whole host of things causing the problem. Probably the pump and control valve that is worn, but not necessarily, have a look at the MF 35 Hydraulics Won’t Lift Information Page and the Hydraulics DVD.

Hope that helps, just let us know if that hasn’t answered your questions.

Steve Ridsdale, VTE

 

Standard 23C Piston Protrusion Height And TDC For Injection

Hello,

I wandered if you could help me. I am lookinf for the piston protrusion height for a Standard 23C engine fitted to my Ferguson FE35 tractor. Also, do you know how many degrees before top dead centre before start of injection.

Many thanks, Jeffrey Samuelsen.

Hi Jeffrey,

Afraid we haven’t got a figure for the piston protrusion height.

As for the degrees before TDC for start of injection it depends on the pump you have. For CAV DPA pumps without light-load advance is 19 degrees before TDC.

For CAV DPA pumps with light-load advance there are 2 pumps……

Pump DPA3242643 – 13 degrees before TDC
Pump DPA3242645 – 13 degrees before TDC

However, it should be understood that the initial setting using the ‘G’ mark inside the injector pump and the flywheel timing pin hole (when following the manufacturers timing instructions) will provide an injection timing of 17 degrees before TDC. Therefore you will need to adjust it from this point. Under no circumstances should the injection timing be advanced further than 19 degrees before TDC.

Regards,

Steve, VTE

 

How To Change Hydraulic Oil, Ferguson FE35

Hi there,

I have contacted you in the past and your information was very helpful. I am having a problem with water in the oil and don’t know how to get it out of the hydraulics can you give me any ideas.

Thanks,

Brenton Bain

Hi Brenton,

Is it milky?

You will have to let the oil out and change it. There are 2 drain plugs. The oil in the rear transmission is the same reservoir for the gearbox and the hydraulics. Filler next to main gear lever.

Over the years they get condensation in this oil, or if the gear lever rubbers are split/perished.

The manual suggests changing this oil annually because of the condensation. In fact the less often the tractor is used then the greater the problem and more often the oil needs chaging.

Steve, VTE


Thanks for your reply yes the oil is milky. Can you tell me how to bleed the lines.

Thanks again

Brenton Bain

Hi Brenton,

Because the lift cylinder is built with metal rings (similar to piston rings) any air will automatically escape as the system is used. Therefore there is no need to bleed the hydraulic system after changing the oil. The pump will also automatically re-prime itself.

Steve.

 

Ferguson TE20 Tractor Differences

This information is for the Ferguson TEF20 tractors, and identifies any changes that have occured during the production of the tractors. This list can help identify the serial number of your tractor if the identification plate is missing. This information below is an extract from the Wallaces website, where you can also find a table to cross reference serial numbers and engine numbers.


1001 Lucas starter model M418G, service number 25505B with terminal on yoke used.
15883 Lucas starter model M418G, service number 25519A with terminal on end bracket used.
30661 Generator changed from model C45X-22415A to C45X-22420B
43074 Lucas starter model M418G, service number 25519D with rubber drive used.
56339 Oil filter changed from vertical to inclined type.
71001 Fuel tank mounting changed from bolts and lock washers to bolts and double rubber pads at
the battery box and a single rubber pad at the gas tank.
74540 Fuel tank mounting now has double rubber pads at both front and back.
96932 Oil catchment rings riveted to brake drums to protect brake shoes.
113158 Rubber cap added to plug on top of hydraulic pump valve chamber.
119107 Oil retaining shim located between base of bearing cup and retainer in rear hub.
134001 Oscillating control valve on hydraulic pump introduced to minimise control valve sticking.
Cover added over safety valve on hydraulic pump.
172598 Engine bore increased from 80 to 85 mm (hp increase from 23.9 to 28.4)
Water pump mounted on head instead of block.
200001 Electrical system changed from 6 volt to 12 volt.
Hole in block for starter motor increased from 2 7/8″ to 3 1/2″.
Air intake now via screen on dashboard.
Two additional oil pressure take-off points with socket type screws added in hydraulic lift cover.
Brakes altered from kidney cam to floating cam.
200928 Brakes altered to kidney cam.
201144 Brakes altered to floating cam.
201147 Brakes altered to kidney cam.
201157 Brakes altered to floating cam.
201618 Brakes altered to kidney cam.
201622 Brakes altered to floating cam.
201625 Brakes altered to kidney cam.
204666 Brakes altered to floating cam once and for all.
225160 Independent brake linkage bush lubricators introduced.
268153 Hydraulic lift cover strengthened.
Hydraulic ram cylinder strengthened.
286543 O-rings used instead of gaskets to seal valve chambers to hydraulic pump.
294147 Fuel shut-off valve changed from round to rectangular.
325001 Crown wheel diameter increased from 12.66″ to 13.15″ (length of teeth increased)
Length of teeth on pinion gear increased to match crown gear.
Diameter of holes in centre housing (differential case) increased to accommodate larger
crown wheel.
Number of studs holding axle housing increased from 11 to 15.
Axle trumpet diameters increased to mate with centre housing.
Hub bearings became grease lubricated; grease nipple fitted at outer end of axle trumpet.
Inner oil seal added inside the axle housing.
Top diameter of axle splines increased.
Number of teeth on differential gears reduced from 20 to 16.
325572 (Petrol tractors only) Plate added to side of fuel tank to prevent petrol from spilling on
ignition wires during refueling.
330044 Hydraulic safety valve moved from pump to left hand port of lift cover.
Thread size in right hand port of lift cover changed from 3/8″ x 18 NPTF to 1/2″ BSP.
Socket screw in right hand lift cover port changed to flanged type hexagon nut with washer.
Lift cover strengthened around ram cylinder attachment points.
Oil port to ram cylinder in lift cover undercut to receive O-ring, instead of using gaskets.
381660 Voltage regulator changed from bolt-mounted model RF97 to rubber-mounted model R107
407102 Key rod replaced by metal drive strip at end of control valve in hydraulic pump.
429519 Poppet type safety valve in hydraulic lift cover replaced by steel ball type.

(A very copmrehensive list from the Wallace website, please visit the site for more detailed information.)

 

Vintage Tractor Engineer On Countryside Connection

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