AP0902
7–3
Specifications
7.5
Brakes
7.6
Steering
7.7
Work hydraulics
Service brake
Design
Foot-operated, hydraulic disc brake + hydrostat
Mounted in
Front axle, drive (rear axle)
Effect
On both axles via cardan shaft
Brake fluid
See Engine fluids and lubricants
Parking brake
Design
Manual, mechanical disc brake
Mounted in
Front axle input
Effect
On both axles via cardan shaft
Steering
Design
Hydrostatic four-wheel steering with emergency
steering features (closed version)
Steering mode
Four wheel steering
Assemblies
Hydraulic pump, steering unit with flanged priority
valve, steering cylinder, automatic synchroniza-
tion in left and right-hand final positions
Max. pressure of hydraulic lines
2611 lb/in
2
(180 bar)
Hydraulic pump
Gear pump
Displacement 1.4 in³/rev (23 cm³/rev)
Work hydraulics
Hydraulic pump
Gear pump
Displacement
1.4 in³/rev (23 cm³/rev) = 17 g/min (66 l/min)
at 2400 rpm
Control valve
3 sections
Max. service pressure
3046
+10
lb/in
2
(210
+10
bar)
Secondary pressure limiting
Secondary pressure relief valve for tilt ram:
rod side 3481 lb/in
2
(240 bar)
bottom side 1450 lb/in
2
(100 bar)
Secondary pressure relief valve for lift ram:
bottom side 3481 lb/in
2
(240 bar)
Filter
Return suction filter (7.3 lb/in
2
(0.5 bar) initial
stress)
Hydraulic oil tank
13.2 gal (50 l)
Summary of Contents for 418T Wheel
Page 1: ...OPERATOR S MANUAL Form No 418T Wheel Loader 909879...
Page 10: ...Section 1 Introduction 1...
Page 11: ......
Page 22: ...Section 2 Safety instructions 2...
Page 23: ......
Page 36: ...Section 3 Operation...
Page 37: ......
Page 40: ...AP0902 3 3 Overview see overleaf Overview see overleaf...
Page 106: ...Section 4 Troubleshooting...
Page 107: ......
Page 111: ...4 4 AP0902 Troubleshooting Notes...
Page 112: ...Section 5 Maintenance 5...
Page 113: ......
Page 154: ...Section 6 Helpful information for using the service parts list...
Page 155: ......
Page 164: ...Section 7 Specifications 7...
Page 165: ......
Page 177: ...7 12 AP0902 Specifications Notes...
Page 178: ...Annex...
Page 179: ......
Page 189: ...Annex A 10 AP0902 Notes...
Page 190: ......