6-16
MAIN RELIEF VALVE
Pressure setting
A good pressure gauge must be installed
in the line which is in communication with
the work port relief. A load must be
applied in a manner to reach the set
pressure of the relief unit.
Procedure
Loosen lock nut.
Set adjusting bar to desired pressure
setting.
Tighten lock nut.
Retest in similar manner as above.
Adjust bar
Lock nut
Relief plug
Relief spring
O-ring
Pilot poppet
Seat
T
P
Main relief valve : 220 bar
5)
(1)
20L7hs08
O
Operation
Pressurized oil over the relief pressure
pushes pilot poppet and flows to tank
passage, therefore the system pressure
keeps under the adjusted relief pressure.
(2)
T
Relief spring
Pilot poppet
HP
D255HS13
Содержание 20G-7
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Страница 17: ...SECTION 1 GENERAL Group 1 Safety hints 1 1 Group 2 Specifications 1 5 Group 3 Periodic replacement 1 14 ...
Страница 33: ...SECTION 2 REMOVAL AND INSTALLATION OF UNIT Group 1 Structure 2 1 Group 2 Removal and Installation of Unit 2 2 ...
Страница 41: ...2 7 Mast Refer to the chapter 1 MAST Page 2 2 1 2 POWER TRAIN ASSEMBLY REMOVAL 1 D503RE04 ...
Страница 59: ...3 7 OPERATING MODES Forward INPUT OUTPUT 4 1 INPUT OUTPUT 20D7PT29 20D7PT30 Reverse 2 ...
Страница 231: ...7 3 FUEL SYSTEM CIRCUIT TIER 3 LPG 20L7EL07 ...
Страница 232: ...7 4 FUEL SYSTEM CIRCUIT TIER 3 BI FUEL 20L7EL06 ...
Страница 233: ...7 5 FUEL SYSTEM CIRCUIT NON CERT LPG 20L7EL08 ...
Страница 234: ...7 6 FUEL SYSTEM CIRCUIT NON CERT BI FUEL 20L7EL09 ...
Страница 235: ...7 7 MEMORANDUM ...
Страница 267: ...MODEL L4GC SHOP MANUAL FOR INDUSTRIAL USE ...
Страница 270: ...CONTENTS 4 FUELSYSTEM 4 1 3 ENGINEELECTRICALSYSTEM 3 1 2 ENGINE MECHANICAL SYSTEM 2 1 1 GENERAL 1 1 ...
Страница 271: ...1 GENERAL 1 1 2 RECOMMENDEDLUBRICANTSANDCAPACITIES 1 5 3 SCHEDULEDMAINTENANCE 1 6 CHAPTER 1 GENERAL ...
Страница 284: ...GENERAL 2 1 GENERAL OUTLINE L4GC001A ...
Страница 285: ...GENERAL 2 2 L4GC002A ...
Страница 305: ...CYLINDER BLOCK 2 22 INSTALLATION Install the following parts in order 1 Crankshaft 2 Flywheel 3 Piston 4 Cylinder head ...
Страница 311: ...CYLINDER BLOCK 2 28 Oil pan bolt 1 0 1 2kg m 7 Install the oil pan and tighten the bolt to the specified torque ...
Страница 346: ...LUBRICATION SYSTEM 2 63 4 Front case Oil pump 5 Timing belt 6 Timing belt cover ...
Страница 369: ...1 GENERAL 3 1 2 IGNITIONSYSTEM 3 3 3 CHARGINGSYSTEM 3 9 4 STARTINGSYSTEM 3 25 CHAPTER 3 ENGINE ELECTRICAL SYSTEM ...
Страница 390: ...3 21 5 Loosen 4 through bolts L4GC330A L4GC048A 6 Separate the rotor and cover CHARGINGSYSTEM ...
Страница 402: ...1 GENERAL 4 1 2 INJECTOR 4 14 4 PVC VALVE 4 16 CHAPTER 4 FULE SYSTEM AND OTHER ...
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