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jcb JS330 Service Manual
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jcb JS330 Service Manual

jcb JS330 Service Manual

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Service
Manual
JS330
from machine no. 712501
JS450
from machine no. 714501
JS460/500
from machine no. 714550
JS460/500
machine no. 2410051 - 2410300
PUBLISHED BY THE
TECHNICAL PUBLICATIONS DEPARTMENT
OF JCB SERVICE: ©
WORLD PARTS CENTREkjb.kjb.kjb
UTTOXETER, STAFFORDSHIRE, ST14 7BS,
ENGLAND
Tel. ROCESTER (01889) 590312
PRINTED IN ENGLAND
Publication No. 9803/6420
Issue 4
General Information
Care & Safety
Routine Maintenance
R
Attachments
Body & Framework
Electrics
Hydraulics
Transmission
Brakes
Track & Running Gear
Engine
1
2
3
A
B
C
E
F
G
J
K

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Summary of Contents for jcb JS330

  • Page 1 714550 JS460/500 Brakes machine no. 2410051 - 2410300 PUBLISHED BY THE TECHNICAL PUBLICATIONS DEPARTMENT Track & Running Gear OF JCB SERVICE: © WORLD PARTS CENTREkjb.kjb.kjb UTTOXETER, STAFFORDSHIRE, ST14 7BS, ENGLAND Tel. ROCESTER (01889) 590312 Engine PRINTED IN ENGLAND Publication No.
  • Page 2 Introduction This publication is designed for the benefit of JCB Distributor Service Engineers who are receiving, or have received, training by JCB Technical Training Department. These personnel should have a sound knowledge of workshop practice, safety procedures, and general techniques associated with the maintenance and repair of hydraulic earthmoving equipment.
  • Page 3 Section 1 Section 1 General Information Contents Page No. Bolt and Nut Torque Specifications 1 - 1 Torque Settings 1 - 2 Service Tools Section B - Body & Framework 3 - 1 Section C - Electrics 4 - 1 Section E - Hydraulics 5 - 1 Sealing and Retaining Compounds...

  • Page 4: General Information Section

    20~29 14.7~21.4 Note: Use JCB Threadlocker and Sealer (High Strength) on those marked † and tighten to the torque listed in the above table. The tightening torques for the bolts and nuts not listed above are as follows: Bolt Diameter (size) Wrench Hex.

  • Page 5: General Information

    Section 1 Section 1 General Information Torque Settings 1 - 2 1 - 2 Torque Settings Note 1: The figures quoted are for non-plated fasteners and are to be used only when there is no torque setting specified in the relevant procedure in this service manual.

  • Page 6: General Notes

    Section 3 Section 3 Routine Maintenance Greasing 3 - 1 3 - 1 ! WARNING General Notes You will be working close into the machine for these jobs. Lower the attachments if possible. Remove the For the type of grease to use at each point, see Lubricants starter key and disconnect the battery.

  • Page 7: Routine Maintenance

    Section 3 Section 3 Routine Maintenance Greasing (continued) 3 - 2 3 - 2 ! WARNING Excavator End You will be working close into the machine for these jobs. Lower the attachments if possible. Remove the 16 Grease Points starter key and disconnect the battery. This will prevent the engine being started.
  • Page 8 Section 3 Section 3 Routine Maintenance Greasing (continued) 3 - 3 3 - 3 Excavator End JS11110 9803/6420 Issue 2*...
  • Page 9 Section 3 Section 3 Routine Maintenance Battery 4 - 1 4 - 1 First Aid - Electrolyte Check the Electrolyte Level Open the Battery Compartment A EYES FLUSH WITH WATER FOR 15 MINUTES. GET MEDICAL HELP FAST. IF SWALLOWED DO NOT INDUCE VOMITING. DRINK LARGE QUANTITIES OF WATER OR MILK.
  • Page 10 Section 3 Section 3 Routine Maintenance Hydraulics 5 - 1 5 - 1 Releasing Tank Pressure ! WARNING DO NOT remove the hydraulic tank filler cap or cover plate when the engine is running. The hydraulic system is under pressure. You or others could be injured. First stop the engine and then release the pressure.
  • Page 11 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 2 5 - 2 Air Bleeding Procedures (continued) Repeat step 3 if necessary. Air Bleeding from Hydraulic Pump Note: See illustration for reversed port references on the After Dismantling and Assembly JS450 machine.
  • Page 12 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 3 5 - 3 Air Bleeding Procedures (continued) Air Bleeding from Ram Air Bleeding from the Slew Motor ! WARNING ! WARNING DO NOT remove the hydraulic tank filler cap or cover Hydraulic Pressure plate when the engine is running.

  • Page 13: Checking The Fluid Level

    Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 4 5 - 4 For location of hydraulic oil tank see Component Location Diagram. ! WARNING Fine jets of hydraulic fluid at high pressure can penetrate the skin. Do not use your fingers to check for hydraulic fluid leaks.

  • Page 14: Changing The Hydraulic Oil

    Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 5 5 - 5 Changing the Hydraulic oil ! WARNING DO NOT remove the hydraulic tank filler cap or cover plate when the engine is running. The hydraulic system is under pressure. You or others could be injured. First stop the engine and then release the pressure.
  • Page 15 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 6 5 - 6 Changing the Return Filter Element Prepare the Machine Position the machine on level ground. Stop the engine. Remove the starter Key. Locate the Return filter. Refer to Components Location Diagrams at the end of this section.
  • Page 16 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 7 5 - 7 Cleaning/Changing the Suction Strainer Prepare the Machine Position the machine on level ground. Stop the engine. Remove the starter key. Locate the Suction Strainer Release Tank Pressure See Releasing Tank Pressure.
  • Page 17 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 8 5 - 8 Changing the Air Breather Element Prepare the Machine Position the machine on level ground. Stop the engine. Remove the starter key. Release Tank Pressure See Releasing Tank Pressure. Remove Filler Cap A Locate the Air Breather See illustration.
  • Page 18 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 9 5 - 9 Draining Tank Impurities Prepare the Machine Position the machine on level ground. stop the engine. Remove the Starter Key. Release Tank Pressure See Releasing Tank Pressure. Remove Filler Plate P Drain the Tank Impurities Open drain plug R and drain off accumulated water and...
  • Page 19 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 10 5 - 10 Changing the Breaker In-line Filter Note: This filter should be changed at the intervals stated in Service Schedules or when the visual indicator X has popped up. DO NOT USE THE BREAKER WITH A BLOCKED FILTER.
  • Page 20 Section 3 Section 3 Routine Maintenance Hydraulics (continued) 5 - 11 5 - 11 Changing the Nephron Filter (JS450) ! WARNING The temperature of the hydraulic oil will be high soon after stopping the engine. Wait until it cools down (less than 40°C) before beginning maintenance.
  • Page 21 Routine Maintenance Hydraulics (continued) 5 - 12 5 - 12 Changing the Plexus Filter (JS330/JS460) ! WARNING The temperature of the hydraulic oil will be high soon after stopping the engine. Wait until it cools down (less than 40°C) before beginning maintenance.
  • Page 22 Section 3 Section 3 Routine Maintenance Transmission 6 - 1 6 - 1 Checking the Track Gearbox Oil Level Prepare the Machine Position the machine on level ground with the level and filler plugs in the positions shown, with the filler plug uppermost as at X.
  • Page 23 Transmission (continued) 6 - 2 Checking the Slew Gearbox Oil Level Prepare the Machine JS330/JS450/JS460 Position the machine on level ground. Stop the engine and remove the starter key. Locate the Slew Gearbox See Component Location Diagrams at the end of this section.
  • Page 24 Section 3 Section 3 Routine Maintenance Tracks and Running Gear 7- 1 7 - 1 Cleaning the Tracks ! WARNING ! WARNING Rotating the tracks off the ground may cause stones and If two people are doing this job make sure that the other debris to be thrown with considerable force.
  • Page 25 Section 3 Section 3 Routine Maintenance Tracks and Running Gear (continued) 7 - 2 7 - 2 Checking/Adjusting the Track Tension Prepare the Machine Position the machine on level ground. Run it backwards and forwards several times. Stop after running it forwards. Carry out steps 1 to 3 of Cleaning the Tracks.
  • Page 26 Download the full PDF manual instantly. Our customer service e-mail: aservicemanualpdf@yahoo.com...

This manual is also suitable for:

Js450Js460Js500