Hitachi Zaxis 40U 50U Excavator Service Manual
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Technical Manual
EX40u, 50u
585T-1-1
SECTION 1
GENERAL
CONTENTS
Group 1 Specification
Specifications ............................................ T1-1-1
Working Ranges and Machine
Dimensions for Transportation .................. T1-1-4
Engine Specification .................................. T1-1-6
Group 2 Component Layout
Main Component ...................................... T1-2-1
Electrical System...................................... T1-2-2
Relays ...................................................... T1-2-4
Monitor and Switches ............................... T1-2-6
585T-1-2
(Blank)
GENERAL / Specifications
T1-1-1
SPECIFICATIONS
(40u Type A) … Refer to INTRODUCTION (IN-01) for
the corresponding serial numbers.
Item Unit Canopy Cab
Front Attachment Boom swing type
Bucket Capacity (Heaped) m
3
0.13 (0.17 yd
3
): PCSA (0.12: CECE)
Operating Weight kg (lb) 3980 (8775) 4130 (9105)
Base Machine Weight kg (lb) 3070 (6770) 3220 (7100)
Engine − ISUZU 4LE1 25.0 kW/1900 min
-1
(34 PS/1900 rpm)
A: Overall Width mm (ft in) 1865 (6′ 1″)
B: Cab Height mm (ft in) 2570 (8′ 5″) 2640 (8′ 8″)
C: Rear End Swing Radius mm (ft in) 975 (3′ 2″)
D: Minimum Ground Clearance mm (ft in) 335 (1′ 1.1″)
E: Counterweight Clearance mm (ft in) 650 (2′ 2″) (Rubber Crawler)
F: Engine Cover Height mm (ft in) 1580 (5′ 2″)
G: Undercarriage Length mm (ft in) 2445 (8′) (Rubber Crawler)
H: Undercarriage Width mm (ft in) 1950 (6′ 5″)
I: Sprocket Center to Idler Center mm (ft in) 1955 (6′ 7″)
J: Track Shoe Width mm (ft in) 400 (16″) (Rubber Crawler)
Ground Pressure kPa (kgf/cm
2
, psi) 22.9 (0.23, 3.3) 23.8 (0.24, 3.4)
Swing Speed min
-1
(rpm) 8.3
Travel Speed (Fast/Slow) km/h (mph) 4.3/2.6 (2.69/1.63)
Gradeability % (deg.) 58 (30)
M571-11-001
F
E
C
G
I
B
D
H
J
A
GENERAL / Specifications
T1-1-2
(40u Type B) … Refer to INTRODUCTION (IN-01) for
the corresponding serial numbers.
Item Unit Canopy Cab
Front Attachment Boom swing type
Bucket Capacity (Heaped) m
3
0.14 (0.17 yd
3
): PCSA (0.13: CECE)
Operating Weight kg (lb) 3980 (8775) 4150 (9149)
Base Machine Weight kg (lb) 2900 (6393) 3070 (6768)
Engine − ISUZU 4LE1 25.0 kW/1900 min
-1
(34 PS/1900 rpm)
A: Overall Width mm (ft in) 1865 (6′ 1″)
B: Cab Height mm (ft in) 2570 (8′ 5″) 2665 (8′ 9″)
C: Rear End Swing Radius mm (ft in) 975 (3′ 2″)
D: Minimum Ground Clearance mm (ft in) 335 (1′ 1″)
E: Counterweight Clearance mm (ft in) 650 (2′ 2″) (Rubber Crawler)
F: Engine Cover Height mm (ft in) 1580 (5′ 2″)
G: Undercarriage Length mm (ft in) 2445 (8′) (Rubber Crawler)
H: Undercarriage Width mm (ft in) 1950 (6′ 5″)
I: Sprocket Center to Idler Center mm (ft in) 1955 (6′ 5″)
J: Track Shoe Width mm (ft in) 400 (16″) (Rubber Crawler)
Ground Pressure kPa (kgf/cm
2
, psi) 22.9 (0.23, 3.3) 23.9 (0.24, 3.4)
Swing Speed min
-1
(rpm) 8.3
Travel Speed (Fast/Slow) km/h (mph) 4.3/2.4 (2.69/1.62)
Gradeability % (deg.) 58 (30)
M571-11-001
F
E
C
G
I
B
D
H
J
A
GENERAL / Specifications
T1-1-3
(50u)
Item Unit Canopy Cab
Front Attachment Boom swing type
Bucket Capacity (Heaped) m
3
0.16 (0.21 yd
3
): PCSA (0.14: CECE)
Operating Weight kg (lb) 4450 (9810) 4620 (10185)
Base Machine Weight kg (lb) 3350 (6770) 3520 (7760)
Engine − ISUZU 4LE1 27.9 kW/2000 min
-1
(38 PS/2000 rpm)
A: Overall Width mm (ft in) 1865 (6′ 1″)
B: Cab Height mm (ft in) 2570 (8′ 5″) 2665 (8′ 9″)
C: Rear End Swing Radius mm (ft in) 1000 (3′ 3″)
D: Minimum Ground Clearance mm (ft in) 335 (1′ 1″)
E: Counterweight Clearance mm (ft in) 600 (2′) (Rubber Crawler)
F: Engine Cover Height mm (ft in) 1580 (5′ 2″)
G: Undercarriage Length mm (ft in) 2445 (8′) (Rubber Crawler)
H: Undercarriage Width mm (ft in) 2000 (6′ 7″)
I: Sprocket Center to Idler Center mm (ft in) 1955 (6′ 5″)
J: Track Shoe Width mm (ft in) 400 (16″) (Rubber Crawler)
Ground Pressure kPa (kgf/cm
2
, psi) 25.7 (0.23, 3.3) 26.6 (0.24, 3.4)
Swing Speed min
-1
(rpm) 7.4
Travel Speed (Fast/Slow) km/h (mph) 4.5/2.5 (2.8/1.55)
Gradeability % (deg.) 58 (30)
M571-11-001
F
E
C
G
I
B
D
H
J
A
GENERAL / Specifications
T1-1-4
WORKING RANGES AND MACHINE
DIMENSIONS FOR TRANSPORTATION
(40u)
M570-11-002
T573-01-01-001
40u Type A 40u Type B Category
Item Canopy Cab Canopy Cab
A: Maximum Digging Reach mm (ft in) 5550 (18′ 3″) ←
B: Maximum Digging Depth mm (ft in) 3400 (11′ 2″) ←
C: Maximum Cutting Height mm (ft in) 5350 (17′ 7″) 5220 (17′ 2″) 5350 (17′ 7″) 4890 (16′ 1″)
D: Maximum Dumping Height mm (ft in) 3690 (12′ 1″) 3570 (11′ 9″) 3690 (12′ 1″) 3290 (10′ 10″)
E: Overall Transport Height mm (ft in) 2570 (8′ 5″) 2640 (8′ 8″) 2570 (8′ 5″) 2665 (8′ 9″)
F: Overall Transport Length mm (ft in) 5155 (16′ 9″) 5155 (16′ 9″)
G: Minimum Swing Radius mm (ft in) 2100 (6′ 11″) 2200 (7′ 3″) 2100 (6′ 11″) 2485 (8′ 2″)
I: Blade Bottom Highest Position mm (ft in) 400 (1′ 3.7″) 400 (1′ 3.7″)
J: Blade Bottom Lowest Position mm (ft in) 365 (1′ 2.4″) 365 (1′ 2.4″)
K: Maximum Boom Swing Angle ° L 65, R 75 L 60, R 80
L: Offset Distance mm (ft in) L 780 (2′ 7″), R 800 (2′ 8″) L 800 (2′ 8″), R 800 (2′ 8″)
L(R) L(L)
GENERAL / Specifications
T1-1-5
(50u)
M570-11-002
T573-01-01-001
Item Unit Canopy Cab
A: Maximum Digging Reach mm (ft in) 5800 (19′ 2″)
B: Maximum Digging Depth mm (ft in) 3600 (11′ 10″)
C: Maximum Cutting Height mm (ft in) 5640 (18′ 6″) 5145 (16′ 11″)
D: Maximum Dumping Height mm (ft in) 3950 (12′ 11″) 3515 (11′ 6″)
E: Overall Transport Height mm (ft in) 2570 (8′ 5″) 2665 (8′ 9″)
F: Overall Transport Length mm (ft in) 5325 (17′ 6″)
G: Minimum Swing Radius mm (ft in) 2100 (6′ 11″) 2655 (8′ 9″)
I: Blade Bottom Highest Position mm (ft in) 400 (1′ 3.7″)
J: Blade Bottom Lowest Position mm (ft in) 365 (1′ 2.4″)
K: Maximum Boom Swing Angle ° L 60, R 80
L: Offset Distance mm (ft in) L 800 (2′ 8″), R 800 (2′ 8″)
L(R) L(L)
GENERAL / Specifications
T1-1-6
ENGINE SPECIFICATION
Category
Item
40u 50u
Engine ←
Manufacturer ISUZU ←
Model 4LE1PA-01 ←
Type 4 cycle, water cooled, whirl chamber
type
←
Cyl. Number − bore×stroke 4−85 mm × 96 mm (4−3.3 in × 3.8 in) ←
Piston displacement 2.179 L (132 in
3
) ←
Rated power 25.0 kW/1900 min
−1
(34 PS/1900 rpm) 27.9 kW/2000 min
−1
(38 PS/2000 rpm)
Compression ratio 21.5 ←
Dry weight 163 kg (360 lb) ←
Firing order 1−3−4−2 ←
Rotation direction Clockwise (viewed from fan side) ←
Starting system
Manufacturer HITACHI ←
Motor Solenoid pinion shift type ←
Voltage Output 12 V 2.0 kW ←
Alternator
Manufacturer NIPPON DENSO ←
Type AC type (with IC regulator) ←
Voltage Output 12 V 35 A ←
Fuel system
Type ZEXEL PFR1KX type ←
Governor Centrifugal full speed range control,
spray type
←
GENERAL / Component Layout
T1-2-1
MAIN COMPONENTS
T571-01-02-001
1 - Bucket Cylinder 6 - Hydraulic Oil Tank 11 - Solenoid Valve 16 - Swing Device
2 - Arm Cylinder 7 - Oil Cooler 12 - Travel Device 17 - Boom Swing Cylinder
3 - Boom Cylinder 8 - Radiator 13 - Pump Device 18 - Blade Cylinder
4 - Pilot Valve 9 - Engine 14 - Center Joint
5 - Control Valve 10 - Pilot Filter 15 - Fuel Tank
1
3
2
5
6
4
7
8
9
10
11
13
14
15
16
17
18
12
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This manual contains maintenance and repair procedures for the Hitachi Zaxis 40U 50U Excavator.
Hitachi Zaxis 40U 50U Excavator Service Repair Factory Manual is an electronic version of the best original maintenance manual. It provides a great advantage over the electronic and paper versions as it allows zooming in anywhere on your computer for clear viewing. The manual corresponds with the number of pages printed on the Hitachi Zaxis 40U 50U Excavator parts, making it very easy to use. It contains a lot of information and is a perfect manual for both professional mechanics and DIY enthusiasts.
Covers the following models:
- Hitachi Zaxis 40U 50U Excavator Service Repair Factory Manual
Service Repair Factory Manual Covers:
- Workshop Manual Covers:
- Safety
- General Information
- Upperstructure
- Front Attachment
- Engine and Accessory
Technical Manual (Operational Principle) Covers:
- General
- System
- Component Operation
Technical Manual (Troubleshooting) Covers:
- Operational Performance Test
- Troubleshooting
- ... and more
Hitachi Zaxis 40U 50U Excavator Service Repair Factory Manual is written step by step in detail, making it very easy to repair by yourself and saving your expenses.
Do not hesitate, after your payment, you will immediately get the manual.
File Format:
- Compatible: All Versions of Windows & Mac
- Language: English
- Requirements: Adobe Reader
Hitachi Zaxis 40U 50U Excavator Service Manual
