Part of the JCB Operator Manuals.
Looking for the factory procedures to run and maintain your JCB Tracked Excavator? This 222-page JCB JZ140, JZ235, JZ255 Operator Manual PDF (OEM #9801/9340 - 4) gives you the exact daily schedules and control layouts straight from the manufacturer. Inside, you get complete cab control breakdowns, detailed maintenance interval charts, and safety checks for the single and two-man cabs. Open to the ISO operating method section to master the travel levers, check dashboard indicators, and verify proper fluid capacities before firing up the machine. Swap out the Tier II fuel filter element every 250 hours and torque the undercarriage turntable bearing bolts to 280-310 Nm to keep your rig tracking straight. Stop guessing at daily maintenance schedules. Download this bookmarked file directly to your phone, find the exact service interval you need, and get back in the operator seat.
Complete the set for your JZ140, JZ235, JZ255
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety Notices | 7-8 | Introduction |
| Operation | 31-43 | Introduction, Before Entering the Cab, Entering and Leaving the Cab (Single Man Cab, Two Man Cab) |
| Fascia Panel | 47-48 | Emergency Stop, Slew Lock, Overload Caution, Cushion, Isolator, Quickhitch |
| Emergency Back-Up Switch | 49 | Single Man Cab, Two Man Cab, Mechanical Engine RPM Override - JZ140 Only |
| Heater/Air Conditioning Controls | 50 | Heater Controls, Heater Fan, Temperature, Air Conditioning Controls, Fresh Air/Recirculated Air, Using the Air Conditioning |
| Cab Interior Lights | 51 | |
| Radio (If Fitted) | 51 | Tone Control, On/off Switch and Volume Control, Tuning Display, Waveband/frequency Select Buttons, Pre-Set Memory store/select Buttons, Cassette loading/control Features |
| Operating Levers/Pedals | 52 | Travel Levers, Travel Speed Change Button |
| Optional Circuit Pedal (If Fitted) | 53 | Operation Levers |
| Iso Operating Method | 53-222 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| JZ140 | ||
| Turntable Bearing (Undercarriage) Bolt Torque | 280~310 Nm (205~230 lbf ft) | p. 124 |
| Fuel Filter Element (Tier II) Replacement Interval | Every 250 hours | p. 104 |
| Plexus Filter Bolt Torque | 20Nm (14.75 lbf ft) | p. 164 |
| All Models | ||
| Air Cleaner Outer Element Replacement Interval | Every 250 hours (Monthly) or more frequently in dusty conditions | p. 104 |
| Air Cleaner Inner Element Replacement Interval | Every third time the outer element is changed (Every 500 hours) | p. 104 |
| Hydraulic Filter Replacement Interval (Less than 10% breaker/crusher/pulverizer use) | Every 4000 hrs | p. 114 |
| Battery Electrolyte Level | 15 mm (0.6 in) above the plates | p. 101 |
| Battery Mounting Bolt Torque | 7 Nm (5 lbf ft) | p. 124 |
| Controller Outputs 1-6 Fuse Rating | 15A | p. 129 |
| Heater/Air Conditioner, Auto fan Fuse Rating | 20A | p. 129 |
| Seal Replacement | Renew whenever disturbed unless otherwise instructed | p. 19 |
| JZ235/255 | ||
| Fuel Pump Filter Element (Tier III) Replacement Interval | Every 250 hours | p. 104 |
