Kubota KX36-3 KX41-3S KX41-3V Excavator Workshop Manual – PDF DOWNLOAD
DESCRIPTION:
Kubota KX36-3 KX41-3S KX41-3V Excavator Workshop Manual – PDF DOWNLOAD
General
a. Sales feature
Product concept : Comfort in conpact
(1) Grade up the basic performance; Digging, filling back and lifting capacity
(2) Grade up product feature to differentiate competitor; Digital meter, upper boom cylinder, hose protection
Workability : Bucket digging force improvement
Variable pump adoption
Boom and SP simultaneous operation
The maximum digging depth priority
High level stability
Maintenance :Boom cylinder over a boom
Hoses arranged inner boom
Bucket hose/ SP hose inner Arm
Blade hose division
New digital meter adoption
Amenity :Much easier access into cabin
Cabin width expansion
Operativity : Straight travel adoption
Smoother operation
Safety :Engine safety start
Travel lock system
ROPS, FOPS standard equipment
TABLE OF CONTENTS:
Kubota KX36-3 KX41-3S KX41-3V Excavator Workshop Manual – PDF DOWNLOAD
WSM_KX36-3_41-3S_41-3V_Mechanism………………………………………………. 1
CONTENTS………………………………………………………………… 3
I. General………………………………………………………………. 4
a. Sales feature……………………………………………………… 5
Product concept : Comfort in conpact………………………………… 5
b. Difference between KX36-3 and KX41-3…………………………………. 5
c. Quick chart for selling points : KX41-3V……………………………… 6
d. Comparison to competitors;EU – version……………………………….. 7
e. New engineering feature…………………………………………….. 8
1. Hydraulic system……………………………………………….. 8
2. Improvement in user-friendliness and operator’s range of vision……… 9
3. Electronic System………………………………………………. 9
f. Compornents compatibility…………………………………………… 10
II. Machine Body…………………………………………………………. 12
a. Quality Specifications……………………………………………… 13
b. Main component…………………………………………………….. 17
1. Swivel bearing…………………………………………………. 17
2. Track roller…………………………………………………… 18
3. Idler and tension spring………………………………………… 19
4. Pump coupling………………………………………………….. 20
5. Rubber track…………………………………………………… 21
6. Swing bracket………………………………………………….. 22
7. Bucket link pin : North America & Oceanea…………………………. 23
III. Electrical System……………………………………………………. 24
a. Development concept : KX41-3………………………………………… 25
1. Background of Adoption of New Meter………………………………. 25
2. Features of New Meter…………………………………………… 25
3. Electrical system : Functional comparison : KX41-3S, V……………… 27
b. Outline of Kubota ICS (Intelligent Control System)…………………….. 28
c. Operating Mode…………………………………………………….. 31
1. Outline……………………………………………………….. 31
2. LCD display list……………………………………………….. 32
d. Service mode menues………………………………………………… 35
1. Outline……………………………………………………….. 35
2. Service mode flow chart…………………………………………. 35
3. Main menues and functions……………………………………….. 36
e. Failure Diagnosis………………………………………………….. 57
1. Failure display and diagnosis criteria……………………………. 57
2. Fail record in EEPROM…………………………………………… 59
3. self-diagnosis of controller unit………………………………… 62
4. Electrical component layout……………………………………… 68
5. Service Mode KX41-3(Non-AI Non- anti-theft Non-S/P) ver 1.13………… 69
f. Circuit wiring diagram……………………………………………… 70
1. KX36-3 EU……………………………………………………… 70
2. KX-41-3 Export (EU) (US)………………………………………… 71
3. KX-41-3 Export standard type…………………………………….. 72
4. Main electrical compornents……………………………………… 73
5. Covering circuit by controller…………………………………… 74
g. Electrical component……………………………………………….. 76
1. Battery……………………………………………………….. 76
2. Fuel sensor……………………………………………………. 76
3. Fuse box………………………………………………………. 77
4. Heater : EU – version…………………………………………… 78
IV. Hydraulic System……………………………………………………… 80
a. Hydraulic components Specifications………………………………….. 81
1. EU – version; KX36-3, KX41-3, KX41-3V…………………………….. 81
2. Cylinder Specifications; EU – version…………………………….. 82
b. Hydraulic circuit diagram…………………………………………… 84
1. KX36-3: EU – version……………………………………………. 84
2. KX41-3: EU – version……………………………………………. 85
3. KX41-3V: EU – version…………………………………………… 86
4. KX41-3V: North America & Oceania – version………………………… 87
c. Main pump…………………………………………………………. 88
1. Outer view…………………………………………………….. 88
2. structure……………………………………………………… 89
3. P-Q performance curve…………………………………………… 90
4. Pump Specifications, Type : PVD-00B-15P-5G3-4982A………………….. 90
5. Function1……………………………………………………… 91
6. Function2……………………………………………………… 91
d. Control valve assy…………………………………………………. 92
1. KX36-3: EU – version, Code No:RG038-61131, Maker: Hydro control……… 92
2. KX41-3: EU – version, Code No:RG138-61131, Maker: Hydro control……… 93
3. Control valve section : KX41-3S ; RG138-61131……………………… 94
e. Pilot valve……………………………………………………….. 98
1. EU – version…………………………………………………… 98
f. Travel motor………………………………………………………. 99
1. EU – version; KX36-3, KX41-3S, KX41-3V Maker: Transmital Bonfiglioli…. 99
2. KTC, KCL, KTA – version : KX41-3V…………………………………101
3. Structure………………………………………………………102
4. Principle of operation…………………………………………..103
g. Swivel motor……………………………………………………….108
1. EU – version; KX36-3, KX41-3, KX41-3V Maker: Eaton Fluid Power Ltd……108
h. Cylinder…………………………………………………………..109
1. Structure………………………………………………………109
i. Rotary joint……………………………………………………….113
1. Structure………………………………………………………113
j. Unload valve……………………………………………………….116
1. North America and Oceanea version…………………………………116
2. EU – version……………………………………………………117
k. Selector valve : KX41-3V…………………………………………….118
1. Structure………………………………………………………118
2. Function……………………………………………………….118
3. Specifications………………………………………………….118
l. Accessaries of hydraulic compornents………………………………….119
1. Check valve assy………………………………………………..119
2. Hydraulic filter………………………………………………..119
m. Service port performance…………………………………………….120
1. Test sample : KX36-3 GL………………………………………….120
2. Test sample : KX41-3V GL…………………………………………121
V. Engine………………………………………………………………..122
a. Engine Specifications……………………………………………….124
b. Performance curve…………………………………………………..126
c. Function & structure of coil commander………………………………..128
1. Circuit diagram…………………………………………………128
2. Function……………………………………………………….128
3. Inspeetion & troubleshooting……………………………………..129
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