1. GENERAL CAUTIONS FOR
MAINTENANCE WORK
1-6
1-9 Specifications of Hydraulic Hose
Two types of hydraulic hoses are used in Yanmar Construction Machinery : the standard parts specified in the Yan-
mar Industrial Standards (YIS) and special parts for the respective models. Specifications of the hydraulic hoses can
be known by the code number or part descriptions as explained below. (For the parts number, please refer to our
Parts Catalog.)
(1) Yanmar Standard Type
The part code consists of 11-digit numbers :
Hose material code
Hose type code
Fittings combination code
Nominal length code
Nominal dia. code
Description
Part code No.
Hose material
Rubber hose
(High pressure type)
Rubber hose
(Medium pressure type)
Plastic hose
(High pressure type)
Hose material
Type of hose
Hose dia.
Hose length
Combination
of fittings
2320
2327
2325
1
1
3
2
2
1
1
(SAE J517,100R1)
(SAE J517,100R2)
(SAE J517,100R7)
(SAE J517,100R7)
(SAE J517,100R6)
02
03
04
02
03
04
03
04
02
03
04
05
06
10
12
14
Unit : cm
4
5
6
1
1
4
4
5
5
7
Summary of Contents for ViO12-2A
Page 1: ...SERVICE MANUAL EXCAVATOR ViO12 2A...
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Page 109: ...5 3 1 5 ELECTRIC SYSTEM 5 3 Wiring Diagram...
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Page 123: ...6 HYDRAULIC SYSTEM 6 2 1 6 2 Hydraulic Circuit Schematic...
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Page 219: ...6 HYDRAULIC SYSTEM 6 7 8 1 4 3 8 7 12 10 10 15 a b c Loctite 262 0 30Nm 0 45Nm...
Page 348: ...7 ADJUSTMENT AND REPAIR 7 5 31 6 Control Levers Pilot valves Control valve...
Page 349: ...7 ADJUSTMENT AND REPAIR 7 5 32 7 Upperstructure Implement Bucket cylinder Arm cylinder...
Page 351: ...7 ADJUSTMENT AND REPAIR 7 5 34 9 Undercarriage High speed travel solenoid valve...
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Page 360: ...CHAPTER 8 PERIODIC INSPECTION AND SERVICING 8 1 List of Periodic Inspection and Servicing 8 1...
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Page 364: ...CHAPTER 9 FUEL LUBE OIL AND GREASE RECOMMENDED 9 Fuel Lube Oil and Grease Recommended 9 1...
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Page 406: ...CHAPTER 11 REFERENCE DATA 11 1 Specifications for Attachment 11 1...
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