Hitachi LX70-7 LX80-7 Performance Check Training Text Manual (TTLA-0523-LX) – PDF Download

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Hitachi LX70-7 LX80-7 Performance Check Training Text Manual (TTLA-0523-LX)

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Hitachi LX70-7 LX80-7 Performance Check Training Text Manual (TTLA-0523-LX)

• Manual Language:English
• Downloadable:Yes
• Pages: 67
• Size: 3.70 MB
• Format:PDF

HITACHI LX70-7 LX80-7 PERFORMANCE CHECK TRAINING TEXT MANUAL (TTLA-0523-LX) – PDF DOWNLOAD:

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DESCRIPTION:

Hitachi LX70-7 LX80-7 Performance Check Training Text Manual (TTLA-0523-LX)

This Inspection Manual was written to provide experienced mechanics and service personnel with infonnation about the servicing of Hitachi wheel loaders.
This manual consists of three parts:
(1) Standard service data tables
(2) Inspection procedures
(3) Troubleshooting guide
We hope this manual will be useful for your servicing job including periodical maintenance or inspection.

TABLE OF CONTENTS:

Hitachi LX70-7 LX80-7 Performance Check Training Text Manual (TTLA-0523-LX)

Return................................................................................................ 0
Performance Check..................................................................................... 1
FOREWORD.............................................................................................. 2
TABLE OF CONTENTS..................................................................................... 4
1. STANDARD SERVICE DATA TABLE........................................................................ 6
	1.1 CHECK ITEMS AND STANDARD VALUES............................................................... 8
	1.2 STANDARD VALUES FOR HYDRAULIC PUMP AND VALVES.................................................10
		1.2.1 PUMP....................................................................................10
		1.2.2 CONTROL VALVES..........................................................................10
		1.2.3 STEERING (ORBITROL, PRIORITY VALVE) ....................................................10
2. INSPECTION PROCEDURE...............................................................................12
	2.1 ITEMS TO BE INSPECTED AND INSPECTION  PROCEDURE...............................................12
		2.1.1 ENGINE RPM..............................................................................12
		2.1.2 VALVE CLEARANCE.........................................................................14
		2.1.3 COMPRESSION.............................................................................15
		2.1.4 FUEL INJECTION START PRESSURE AND SPRAY PATTERN.........................................16
		2.1.5 ENGINE LUBE OIL PRESSURE................................................................17
		2.1.6 BATTERY ELECTROLYTE SPECIFIC GRAVITY....................................................17
		2.1.7 FAN BELT DEFLECTION.....................................................................18
		2.1.8 RADIATOR CAP OPENING PRESSURE...........................................................19
		2.1.9 HST MAIN PRESSURE.......................................................................20
		2.1.10 NEUTRAL CHARGE RELIEF PRESSURE.........................................................22
		2.1.11 PUMP TILT-ROLLING CONTROL PRESSURE.....................................................23
		2.1.12 MOTOR TILT-ROLLING SELECTION PRESSURE AND MOTOR SERVO PISTON LARGE CHAMBER PRESSURE....25
		2.1.13 HI-Lo TRANSMISSION CLUTCH PRESSURE.....................................................27
		2.1.14 TIRE INFLATION PRESSURE................................................................28
		2.1.15 STEERING WHEEL PLAY....................................................................30
		2.1.16 POWER STEERING RELIEF PRESSURE.........................................................31
		2.1.17 CENTER HINGE PIN LOOSENESS.............................................................32
		2.1.18 BRAKE PEDAL PLAY.......................................................................32
		2.1.19 BRAKE OIL PRESSURE.....................................................................33
		2.1.20 SERVICE BRAKE (LOCATION WHEEL BRAKE DISK IS MEASURED FOR WEAR).........................34
		2.1.21 CONTROL VALVE RELIEF PRESSURE..........................................................35
		2.1.22 LOAD HANDLING SYSTEM(BOOM AND BUCKET OPERATION, NATURAL DROP)..........................36
		2.1.23 BBUCKET STOPPER AND BELLCRANK STOPPER CLEARANCE........................................38
		2.1.24 TRAVELING SPEED........................................................................40
		2.1.25 SERVICE BRAKE PERFORMANCE..............................................................41
		2.1.26 PARKKING BRAKE PERFORMANCE.............................................................42
		2.1.27 LEVER OPERATING FORCE..................................................................43
		2.1.28 LEVER STROKE...........................................................................44
3. TROUBLESHOOTING GUIDE..............................................................................46

PLEASE NOTE:

⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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