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Annex
A-6
AP0902
Annex
A
Legend for hydraulics diagram,
model 418T
❙ ➜
418T 0001
Ref. no.
Description
1
Hydrostatic steering V = 4.9 in
3
(80 cm
3
)
with initial stress p = 145 lb/in
2
(10 bar)
2
Non return valve block 2 x 145 lb/in
2
(10 bar)
+ 2 x 7.3 lb/in
2
(0.5 bar)
3
Rear axle steering cylinder
4
Front axle steering cylinder
5
Muffler
6
Work hydraulics pump V = 1.4 in³/rev (23 cm³/rev),
Q = 1.6 gal/min (66 l/min)
7
Drive variable displacement pump 5584 lb/in
2
(385 bar)
8
Boost pressure pump V = 0.7 in³/rev (11 cm³/rev),
Q = 6.6 gal/min (25 l/min)
9
Drive variable displacement motor V=3.7 in³ (60 cm³)
10
Oil temperature controller
11
Oil cooler 29 lb/in
2
(2.0 bar)
12
Temperature switch 212°F (100°C) +/-3°
13
Return suction filter (initial stress 7.3lb/in
2
(0.5 bar))
14
Hydraulic oil tank Hydraulic oil tank V
total
= 15.9 gal (60 l),
V
oil level
= 13.2 gal (50 l)
15
Pressure switch 29 lb/in
2
(2.0 bar)
16
Vent filter
17
4 fold control valve standard
– Main pressure relief valve 3046 lb/in
2
(210 bar)
– Secondary pressure relief valve:
Push-out cylinder – bottom side 3481 lb/in
2
(240 bar)
18
Tilt cylinder
19
Hose burst valve for tilt cylinder
20
Compensating cylinder
21
Secondary pressure relief valve
for tilt cylinder and compensating cylinder
rod side 1740 lb/in
2
(120 bar)
bottom side 3481 lb/in
2
(240 bar)
22
Lift cylinder
23
Hose burst valve for lift cylinder
24
Control cylinder for quickhitch facility
25
Solenoid valve – quickhitch lock
26
Push-out cylinder
27
Hose burst valve for push-out cylinder
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: ......