Challenger MT225 User manual

CONTENTS - i
79019435B
MT225
TRACTORS
SERVICE MANUAL
79019435B
GENERALINFORMATION ......................................................................................................................................01
ENGINE...................................................................................................................................................................02a
Engine Drop In........................................................................................................................................................02b
Engine Drop In........................................................................................................................................................02c
MAJOR COMPONENTS ..........................................................................................................................................03
CLUTCH SYSTEM ..................................................................................................................................................04
TRANSMISSION .....................................................................................................................................................05
HYDROSTATICTRANSMISSION ............................................................................................................................06
REARAXLE AND BRAKES ...................................................................................................................................07
FRONTAXLE ..........................................................................................................................................................08
HYDRAULIC SYSTEM.............................................................................................................................................09
ELECTRICALACCESSORIES ................................................................................................................................10
STEERING SYSTEM ..............................................................................................................................................11
LUBRICATION & PERIODICMAINTENANCE ........................................................................................................12

GENERAL INFORMATION - A-1
79019435B
GENERALINFORMATION
CONTENTS
TRACTORIDENTIFICATION ..........................................................................................................................A-2
Model/SerialNumbers ..............................................................................................................................A-2
SPECIFICATIONS..........................................................................................................................................A-5
GENERALPRECAUTIONS
FORDISASSEMBLY ANDRE-INSTALLATION ...................................................................................... A-12
BeforeOperation .................................................................................................................................... A-12
PrecautionsTo BeFollowedWhen InstallingStandardized Parts ............................................................ A-12
STANDARDTORQUECHART ...................................................................................................................... A-15
SEALANT & ADHESIVES............................................................................................................................ A-16
CONVERSIONTABLES ............................................................................................................................... A-17
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A-2 - GENERAL INFORMATION
79019435B
GENERAL INFORMATION
FIG. 1
I-3209
1
FIG. 2
I-3226 1
TRACTOR IDENTIFICATION
Model/Serial Numbers
EachTractor is identified by means ofTractor model and
serial numbers. As a further identification, engine and
chassisare providedwith identification numbers.
FIG. 1: StandardtransmissionTractoridentificationplate,
1,locatedbelowoperator’sseat on right-hand side ofver-
tical floor panel.
FIG. 2: The hydrostatic transmission Tractor identifica-
tion plate, 1, located below drivers seat, close to floor.
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GENERAL INFORMATION - A-3
79019435B
FIG. 3
I-3033
FIGS. 3, 4 & 5: Identificationplate,for eachmodel,con-
tainsmodelnumbers, machineseriesnumbersandweight
inaddition toTractorserialnumbers.
FIG. 4
I-6090
FIG. 5
I-7051
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A-4 - GENERAL INFORMATION
79019435B
FIG. 6
I-3244
1
2
FIG. 7
I-3245
1
FIG. 6: Enginemodel number, 1,is caston right sideof
engineblock, below the injection pump.
Engine serial number, 2, is stamped into cylinder block,
belowengine modelnumber.
FIG. 7: Chassis number, 1, is stamped in right side of
frontframe.
NOTE: Reference to left-hand and right-hand, used
throughoutthis book,refersto theposition when
seatedin operator’s seatand facingforward.
NOTE: Terms “hydrostatic” and “standard” refer to type
of Tractor transmission. Information in this book
willapply toall Tractor versionsunless indicated
otherwise.
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GENERAL INFORMATION - A-5
79019435B
SPECIFICATIONS
1417
Mech.-4WD 1417 HST-4WD 1423/ST25/MT2 25
HST-4WD
1423/ST25/
MT225
Mech. 4WD
Dimensions (with ag-tires)
Front 5-12 5-12 5.00-12 5.00-12Tire size
Rear 8-16 8-16 9.5–16 9.5-16
Overall length 254.5 (100.2”) 254.5 (100.2”) 268.0 (105.5”) 268 (105.5”)
Overall width 100.0 (39.4”) 100.0 (39.4”) 104.0 (41”) 104.0 (41”)
Overall height
(at steering wheel) 128.0 (50.0”) 128.0 (50.0”) 130.0 (52”) 130.0 (52”)
Wheel base 142.5 (56.1”) 142.5 (56.1”) 152.0 (59.8”) 152.0 (59.8”)
Front 75.0 (29.5”) 75.0 (29.5”) 75.0 (29.5”) 75.0 (29.5)Wheel tread
Rear 77.0/95.0
(30.3/37.4”) 77.0/95.0 (30.3/37.4”) 80.0/91.0 (31.5/35.8”) 80.0/91.0 (31.5/35.8”)
Minimum ground clearance
(under-rear-axle bottom) 25.5 (9.6”) 25.5 (9.6”) 28.0 (11.0”) 28.0 (11.0”)
Minimum turning radius:
with braking
[without] (m)
2.1 (80.7”)
[2.4] (94.5”)
2.1 (80.7”)
[2.4] (94.5”)
2.1 (80.7”
2.4 (94.5”)
2.1 (80.7”)
2.4 (94.5”)
Weight (with fuel, oil & coolant) 605 (1334 lbs) 630 (1390 lbs) 680 (1499 lbs) 650 (1433 lbs)
Km/hr (mph)
Range Main
shift
1 1.17 (.73) 1.27 (.79)
2 2.11 (1.31) 0-7.93 (4.93) 0-9.30 (5.80) 2.29 (1.42)
3 3.48 (2.16) 3.77 (2.34)
L
R 1.90 (1.18) 0-5.60 (0-3.48) 0-7.00 (0-4.35) 2.06 (1.28)
1 5.86 (3.64) 6.36 (3.95)
2 10.60 (6.59) 0-18.5 (0-11.5) 0-21.61(0-13.40) 11.50 (7.15)
3 17.40 (10.81) 18.90 (11.74)
Traveling
Speed
H
R 9.50 (5.9) 0-13.0 (0-8.08) 0-16.2 (0-10.0) 10.32 (6.40)
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A-6 - GENERAL INFORMATION
79019435B
1417
Mech.-4WD 1417 HST-4WD 1423/ST25/MT225 HST-4WD 1423/ST25/MT225 Mech 4WD
Dimensions (with
turf-tires)
Front 20.5 x 8.00-10 20.5 x 8.00-10 23.0 x 10.50–12 23.0x10.50-12Tire size
Rear 29 x12.00-15 29 x12.00-15 315/75D-15 315/75D-15
Overall length 254.5
(100.2”) 254.5 (100.2”) 268 (105.5) 268 (105.5)
Overall width 119.0
(46.9”) 119.0 (46.9”) 121.5 (47.8”) 121.5 (47.8”)
Overall height (at steering wheel) 127.0
(50.0”) 127.0 (50.0”) 131.0 (51.6”)
Wheel base 142.5
(56.1”) 142.5 (56.1”) 152.0 (59.8”) 152.0 (59.8”)
Front 87.0
(34.25”) 87.0 (34.25”) 87.0 (34.25”) 87.0 (34.25”)
Wheel tread
Rear 90.0
(35.43”) 90.0 (35.43”) 90.0 (35.43”) 90.0 (35.43”)
Minimum ground
clearance
(under-rear-axle
bottom)
24.5
(9.64”)
24.5
(9.64”)
29.0
(11.4”)
29.0
(11.4”)
Minimum turning radius:
with braking
[without] (m)
2.1 (80.7”)
2.4 (94.5”)
2.1 (80.7”)
2.4 (94.5”)
2.4
(106.3”)
2.4
(106.3”)
Weight (with fuel, oil &
coolant) 610 (1345 lbs) 636 (1400 lbs) 695 (1532 lbs) 665 (1466 lbs.)
Km/hr (mph)
Range Main
shift
1 1.12
(.69) 1.28 (.80)
2 2.02
(1.26) 0-7.60 (0-4.72) 0-9.4 (0-5.83) 2.32 (1.44)
3 3.33
(2.07) 3.81 (2.37)
L
R 1.30
(.81) 0-5.37 (3.34) 0-7.00 (0-4.35) 2.08 (1.29)
1 5.61
(3.49) 6.42 (3.98)
2 10.10
(6.23) 0-17.7 (0-11.0) 0-21.8 (0-13.54) 11.60 (7.21)
3 16.60
(10.32) 19.08 (11.85)
Traveling speed
H
R 6.80
(4.23) 0-12.5 (0-7.77) 0-16.4 (0-10.20) 10.40 (6.46)
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GENERAL INFORMATION - A-7
79019435B
SPECIFICATIONS
Models 1417
Engine
Make ISEKI Diesel
Model E393
Type Indirect injection, overhead valve
Displacement 928 cc/56.6 cu. in.
Number of cylinders 3
Bore 74 mm
Stroke 72 mm
Engine horsepower (gross) @ engine rpm 15.5/2500
Firing order 1 - 3 – 2
Compression ratio 22.5:1
Low idle speed 950 rpm
High idle speed 2750 rpm
Valve clearance (cold) - intake and exhaust 0.25 mm / .010”
Air cleaner Single - dry element
Engine cooling Liquid, forced circulation
Cold starting Glow plugs (3)
Transmission 1417 STD 1417 Hydro
Primary F3/R1 Infinite
Range 2 2
Gear selections F6/R2 F2/R2
Clutch Dry single disc (Dia: 184 mm)
Brakes Mechanically actuated dry shoes
Power take off (PTO)
Control Sliding gear and clutch
Rear PTO shaft 35 mm (1.375 in) diameter –six spline
Clockwise rotation (facing shaft)
Output 1417 STD 1417 Hydro
Speeds @ engine rpm 540 @ 2308 540 @ 2398
Mid PTO (accessory) shaft 25 mm (1 in) diameter – fifteen spline
Output Clockwise rotation (facing shaft)
Speeds @ engine rpm 2000 @ 2446 2000 @ 2400
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A-8 - GENERAL INFORMATION
79019435B
Hydraulics
Main hydraulic system
Pump Gear pump (Open center)
Output – maximum 4.8 gpm /18.0 liters/min
Pressure - relief valve setting 140 kgf/cm3/ 1990 psi
Rear linkage type Three-point hitch
Control Operated by single ‘position’ control lever
Lift capacity 1058 lbs./480 kg measured at link ends
Steering system type Hydrostatic
Pump Gear/Flow divider
Output–maximum 5.5 liters/min./1.5 gpm
Pressure–relief valve setting 105 kfg/cm3
Electrical system
System voltage 12 volt - negative (-) ground
Battery 36hA (5hr)/433 cca
Charging 40 amp alternator with internal regulator
Capacities
Engine crankcase with filter 2.9 qts/2.7 liters
Transmission and differential housing (including
hydraulics) (liters) STD 14.3 qts / 13.5 liters Hydro 15.9 qts./15.0 liters
Fuel tank 3.6 gal/13.5 liters
Cooling system 5.4 qts/5.1 liters
Front axle - four-wheel drive 2.9 qts/2.7 liters
Maximum axle loading
Front four-wheel drive – both models 1433 lbs/650 kg
Rear axle – both models 1653 lbs/750 kg
Tire size
Front
Agricultural tire 5–12 4PR
Turf tire 20.5 x 8.00-10 4PR
Rear
Agricultural tire 8–16 4PR
Turf tire 29 x 12.00-15 4PR
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GENERAL INFORMATION - A-9
79019435B
SPECIFICATIONS
Models 1423 / ST25 / MT225
Engine
Make ISEKI Diesel
Model E3112-B05
Type Indirect injection, overhead valve
Displacement 1123 cc/68.5 cu.in.
Number of cylinders 3
Bore 78.2 mm/3.078”
Stroke 78 mm/3.070”
Engine horsepower (net) @ engine rpm 16.5kW (22.5hp)/2800
Firing order 1 - 3 – 2
Compression ratio 22.5:1
Low idle speed 950 rpm
High idle speed 3050 rpm
Valve clearance (cold) - intake and exhaust 0.25 mm / .010”
Air cleaner Single - dry element
Engine cooling Liquid, forced circulation
Cold starting Glow plugs (3)
Transmission Hydro Standard
Primary Infinite 3
Range 2 2
Gear selections F2/R2 F6/R2
Brakes Mechanically actuated dry shoe
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