jcb 3CX Service Manual
Backhoe loader
Hide thumbs
Also See for 3CX:
- Service manual (51 pages) ,
- Operator's manual (31 pages) ,
- Operator's manual (31 pages)
Advertisement
SERVICE MANUAL
BACKHOE LOADER
3CX, 4CX, 5CX, 5CX Wastemaster Eco
EN - 9813/6900 - ISSUE 6 - 09/2018
This manual contains original instructions, verified by
the manufacturer (or their authorized representative).
Copyright 2018 © JCB SERVICE
All rights reserved. No part of this publication may
be reproduced, stored in a retrieval system, or
transmitted in any form or by any other means,
electronic, mechanical, photocopying or otherwise,
without prior permission from JCB SERVICE.
www.jcb.com
Foreword
The Operator's Manual
You and others can be killed or seriously injured
if you operate or maintain the machine without
first studying the Operator's Manual. You must
understand and follow the instructions in the
Operator's Manual. If you do not understand
anything, ask your employer or JCB dealer to
explain it.
Do not operate the machine without an Operator's
Manual, or if there is anything on the machine you
do not understand.
Treat the Operator's Manual as part of the machine.
Keep it clean and in good condition. Replace the
Operator's Manual immediately if it is lost, damaged
or becomes unreadable.
Contents
01 - Machine
03 - Attachments, Couplings and Load
Handling
06 - Body and Framework
09 - Operator Station
12
-
Heating,
Conditioning (HVAC)
15 - Engine
18 - Fuel and Exhaust System
21 - Cooling System
24 - Brake System
25 - Steering System
27 - Driveline
30 - Hydraulic System
33 - Electrical System
72 - Fasteners and Fixings
75 - Consumable Products
78 - After Sales
Ventilating
and
Air-
Advertisement
Table of Contents
Related Manuals for jcb 3CX
Summary of Contents for jcb 3CX
- Page 1 Operator's Manual. You must understand and follow the instructions in the Operator's Manual. If you do not understand anything, ask your employer or JCB dealer to explain it. SERVICE MANUAL Do not operate the machine without an Operator's Manual, or if there is anything on the machine you do not understand.
- Page 2 15 - Engine 12 - Crankshaft 00 - General 00 - General Introduction Introduction ............ 15-73 Figure 285. Technical Data ..........15-74 Component Identification ....... 15-75 Operation ............15-76 Check (Condition) .......... 15-77 Remove and Install ........15-78 A Crankcase B Crankshaft 15 - 73 9813/6900-6...
-
Page 3: Technical Data
15 - Engine 12 - Crankshaft 00 - General Technical Data Table 100. Main bearing journal diameter (x4) - min 87.98mm - max 88mm Main rear bearing journal diameter (x1) - min 99.98mm - max 100mm Connecting rod bearing journal diameter - min 72.98mm - max... -
Page 4: Component Identification
15 - Engine 12 - Crankshaft 00 - General Component Identification Figure 286. A Crankcase B Crankshaft 15 - 75 9813/6900-6 15 - 75... - Page 5 15 - Engine 12 - Crankshaft 00 - General Operation Lubrication transfer to cross drillings in the crankshaft to feed each of the big end bearings. Crankshaft gear is 'splash' lubricated. Front and rear crankshaft oil seals Oil is fed from the main gallery via five drillings, one prevent oil leakage from, and dirt ingress to, the to each of the main bearings.
-
Page 6: Check (Condition)
15 - Engine 12 - Crankshaft 00 - General Check (Condition) Figure 290. 1. Check the main bearing surfaces for damage and excessive wear. Figure 288. C J-jets D Fixing screws A Main bearing shells 2. Measure the crankshaft diameters to confirm they are within service limits, refer to Technical Data (PIL 15-12). -
Page 7: Remove And Install
15 - Engine 12 - Crankshaft 00 - General Remove and Install Consumables reasons (for piston and connecting rod removal for example) remove it now, refer to (PIL 15-06). Description Part No. Size Cleaner/Degreaser 4104/1557 0.4 L 12. Remove the fuel injection pump, refer to (PIL - General purpose 18-18). - Page 8 15 - Engine 12 - Crankshaft 00 - General Figure 291. A Thrust Washers B Crankshaft C Rear main bearing Before Installation 2. Put labels on the thrust washers to make sure that they are installed in the correct positions during assembly.
- Page 9 15 - Engine 12 - Crankshaft 00 - General Figure 293. Figure 294. D Main bearing shells G Bearing location tab E J jets (x4) 4.1. Use a suitable degreasing agent to make F Fixing screws sure that the surface of the upper bearing shells are clean.
- Page 10 15 - Engine 12 - Crankshaft 00 - General Figure 295. A Thrust washers B Crankshaft C Rear main bearing H Oil slot - thrust washers 6.1. Slide the thrust washers between the crankshaft and the crankcase rear main bearing. 6.2.
-
Page 11: Main Bearing
15 - Engine 12 - Crankshaft 03 - Main Bearing 03 - Main Bearing Introduction Introduction ............ 15-82 In a piston engine, the main bearings are the Check (Condition) .......... 15-83 bearings on which the crankshaft rotates. Remove and Install ........ - Page 12 15 - Engine 12 - Crankshaft 03 - Main Bearing Check (Condition) Remove and Install Refer to: PIL 15-12-00. 1. Check the bearing shell surfaces for signs of damage and excessive wear. 2. Measure the crank pin diameters to confirm they are within service limits.
- Page 13 15 - Engine 12 - Crankshaft 06 - Front Oil Seal 06 - Front Oil Seal Remove and Install Special Tools Figure 297. Description Part No. Qty. Crankshaft Front Oil 892/01157 Seal Installation Tool Before Removal 1. This procedure requires service parts. Make sure you have obtained the correct service parts before you start, refer to Parts Catalogue.
- Page 14 15 - Engine 12 - Crankshaft 06 - Front Oil Seal Figure 298. A Crankshaft oil seal B Crankcase C Crankshaft hub D Seal installation tool E Fixing bolts (x3) F Centre body G Outer sleeve H Screw 4. Turn the screw to push the seal squarely into Figure 299.
- Page 15 Our support email: ebooklibonline@outlook.com...