Kubota LA344, LA344S Front Loader Workshop Manual – PDF DOWNLOAD

Description

Kubota LA344, LA344S Front Loader Workshop Manual – PDF DOWNLOAD

FILE DETAILS:

Kubota LA344, LA344S Front Loader Workshop Manual – PDF DOWNLOAD

Language : English
Pages : 74
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Kubota LA344, LA344S Front Loader Workshop Manual – PDF DOWNLOAD

• Troubleshooting
• Servicing Specifications
• Tightening Torques
• Checking, Disassembling and Servicing

TABLE OF CONTENTS:

Kubota LA344, LA344S Front Loader Workshop Manual – PDF DOWNLOAD

LA344,LA344S................................................................................. 1
	CONTENTS................................................................................. 3
	1. INFORMATION........................................................................... 5
		 SAFETY FIRST........................................................................ 6
			1. Before you start service...................................................... 6
			2. Start safely.................................................................. 6
			3. Operate safely................................................................ 7
			4. Prevent a fire................................................................ 7
			5. Keep a good airflow in the work area.......................................... 8
			6. Discard fluids correctly...................................................... 8
			7. Prevent acid burns............................................................ 8
			8. Prepare for emergencies....................................................... 8
		 SAFETY DECALS.......................................................................10
			1. Safety decals.................................................................10
			2. Care of danger, warning, and caution labels...................................13
		 TERMINOLOGY.........................................................................14
			1. Loader terminology............................................................14
		 SPECIFICATIONS......................................................................16
			1. Specifications for loader.....................................................16
			2. Specifications for bucket.....................................................16
			3. Dimensional specifications....................................................17
			4. Operational specifications....................................................18
	2. GENERAL...............................................................................20
		 IDENTIFICATION......................................................................21
			1. Loader identification.........................................................21
		 GENERAL PRECAUTIONS.................................................................23
		 LUBRICATING SYSTEM..................................................................25
			1. Lubricants....................................................................25
		 TIGHTENING TORQUES..................................................................27
			1. General use screws, bolts, and nuts...........................................27
			2. Stud bolts....................................................................27
			3. American standard screws, bolts and nuts with UNC or UNF threads..............28
			4. Plugs and grease fittings.....................................................28
			5. Hydraulic fittings............................................................29
				5.1 Adapters, elbows and others..............................................29
		 MAINTENANCE CHECK LIST..............................................................31
			1. Loader service intervals......................................................31
		 CHECK AND MAINTENANCE...............................................................33
			1. Lubricating loader............................................................33
			2. Re-tightening main frame bolt and nut.........................................33
			3. Daily checking the loader.....................................................33
			4. Check points of every 50 hours................................................34
				4.1 Precautions for checking torque of bolt and nut of main frame............34
		 SPECIAL TOOLS.......................................................................35
			1. Special tools for loader......................................................35
				1.1 Sliding jig and correcting jig...........................................35
	3. FRONT LOADER..........................................................................37
		 MECHANISM...........................................................................38
			1. Hydraulic circuit.............................................................38
			2. Front remote hydraulic control system (if equipped)...........................40
				2.1 Operating control lever..................................................40
			3. Boom cylinder and bucket cylinder.............................................41
				3.1 Structure of boom cylinder and bucket cylinder...........................41
			4. One touch front loader........................................................42
				4.1 Outline of one touch front loader........................................42
			5. One lever quick touch 4 lines coupler.........................................42
				5.1 Structure of one lever quick touch 4 lines coupler.......................42
			6. Auto lock attachment and detachment...........................................42
				6.1 Outline of auto lock attachment and detachment...........................42
				6.2 Function of auto lock attachment and detachment..........................43
			7. Mechanical loader frame standing mechanism....................................43
				7.1 Structure of mechanical loader frame standing mechanism..................43
			8. 3rd function valve (If equipped)..............................................44
				8.1 Structure of 3rd function valve..........................................44
				8.2 Function of 3rd function valve...........................................45
					8.2.1 Activation switch in off position..................................45
					8.2.2 Activation switch in on position...................................46
		 SERVICING...........................................................................48
			1. Troubleshooting for front loader..............................................48
			2. Tightening torques for front loader...........................................50
			3. Checking and adjusting........................................................51
				3.1 Loader stand.............................................................51
					3.1.1 Adjusting height of loader stand...................................51
				3.2 Front hydraulic valve main switch and relay..............................54
					3.2.1 Checking front hydraulic valve main switch continuity..............54
					3.2.2 Checking connector voltage of front hydraulic valve main switch....55
					3.2.3 Checking relay.....................................................55
				3.3 3rd function solenoid valve..............................................56
					3.3.1 Checking 3rd function solenoid valve continuity....................56
					3.3.2 Checking connector voltage of 3rd function solenoid valve..........56
			4. Disassembling and assembling..................................................56
				4.1 Removing and attaching front loader......................................56
					4.1.1 Removing loader....................................................56
					4.1.2 Reinstalling loader................................................59
				4.2 Bucket, boom and hydraulic cylinders.....................................63
					4.2.1 Attaching attachments..............................................63
					4.2.2 Detaching attachments..............................................65
					4.2.3 Removing bucket cylinder...........................................65
					4.2.4 Removing boom cylinder and hydraulic tubes.........................65
					4.2.5 Removing piston rod assembly.......................................66
					4.2.6 Removing cylinder head, piston and nut.............................66
					4.2.7 Removing piston seal and O-ring....................................67
					4.2.8 Installing O-ring and piston seal..................................67
				4.3 Side frames, front guard and main frames.................................68
					4.3.1 Removing side frames...............................................68
					4.3.2 Removing front guard...............................................68
					4.3.3 Removing main frames...............................................68
				4.4 3rd function valve (If equipped).........................................69
					4.4.1 Removing 3rd function valve........................................69
					4.4.2 Removing hydraulic tubes of 3rd function...........................69
			5. Servicing.....................................................................70
				5.1 Piston rod...............................................................70
					5.1.1 Checking piston rod bend...........................................70
	INDEX....................................................................................72

S.S 24/03/2025