MASSEY FERGUSON MF 2225, Service Manual

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INTRODUCTION
Tractor identification and technical specifications
2-10 Hydraulic circuit specifications
PUMP
Type
Double gear type (in tandem)
Make Bosch.
Model A - 510 - 845 - 262
Pump / engine RPM ratio 1: 1.25
Max. operating pressure 180 bar
Max. flow at engine rate 39 l/min MF 2210 / 54 l/min MF 2225 - 2235
Max. flow at engine rate 39 l/min MF 2210 / 54 l/min MF 2225 - 2235
Position at side of engine
Drive Timing system gears
Quantity of hydraulic oil / transmission 35 l.
Type of oil transfluid AS/B.
FILTERS
Type (on the intake)
With single washable metal gauze cartridge
filtering degree 40 micron
Type (on the delivery) with single replaceable paper cartridge
filtering degree 15/20 micron
STEERING SYSTEM
System
Power steering system
Make Danfoss
Type Orbitrol ospc 70 4 W.D. Orbitrol ospc 50 2 W.D.
4 WD nominal cylinder 70 cc. per rev.
2 WD nominal cylinder 50 cc. per rev.
Calibrating valve 155
± 5
0
(built into the valve system block)
Antishock valve calibration 205 bar (built into the valve system block)
Steering cylinder Quantity 1
Type double-acting, balanced
Make Massey Ferguson
dimensions 32 x 48 x 242 /2 mm.
pump delivery 27.3 l. / min. at 2600 RPM engine rate
steering wheel turns 2 turns to the right
steering wheel turns 1.75 turns to the left
steering wheel diameter 360 mm.
HYDRAULIC POWER PACK
Make
Comatrol
Type Electrohydraulic
Low pressure calibrating valve 18 bar
Cooling circuit calibrating valve 5 bar
Compensating valve Modular
Forced lubrication valve 1.5 bar
Oil outlet towards the transmission Spray lubrication
Uses BLc - PTO/FRn - STr - DTi
Type of engagement Electrohydraulic
±
5
0