Part of the JCB Operator Manuals.
Need the daily maintenance breakdown for your JCB Loadall? This 172-page JCB 506C Operator Manual PDF (OEM #8205-2) details every operating procedure and service interval for the 506B, 506C, 508C, and 506C (HL) machines. Cab layout diagrams, daily walkaround checklists, and full fluid capacity charts are all covered. Open to the maintenance section for step-by-step greasing schedules, attachment handling instructions, and dashboard indicator breakdowns to keep your equipment running safely. Lock down the front and rear wheel nuts to exactly 500 lbf-ft (680 Nm) and verify the hydraulic filter condition indicator stays clear of the red area at high idle. Missed routine service turns into costly downtime. This bookmarked file loads instantly on your phone or tablet so you can get right to work.
Other edition of this manual
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| The Jcb 506, 508 Loadall | 6 | Machine Description |
| Safety - Yours and Other People's | 7-11 | General Safety, Operating Safety, Maintenance Safety |
| Safety Decals | 12 | Decals on the Machine, Safety Message, Lost or Damaged Decals, Attachment Points, Part Number, Eye-Glasses for Reading |
| Identifying Your Machine | 13-14 | Identification Plate |
| Operation | 15-52 | Introduction, Entering & Leaving the Cab, Doors and Windows, Emergency Exit, Opening and Closing the Upper Door Section, Seat Controls, Cab Layout and Controls, Seat Belt |
| Service Schedules | 53-57 | Service Requirements, Lubricants - Health and Safety |
| Greasing | 58-68 | Storing the Machine, Engine Hood and Cover, Boom Safety Strut, Radiator Grille, Checking for Damage, Cleaning the Machine |
| Brakes | 69-74 | Oiling, Boom Chains |
| Engine Cooling System | 75-82 | Engine Oil and Filter, Engine Air Filter |
| Fuel System | 83-88 | Cab Heater Filter |
| Front and Rear Hub | 89-92 | Tires and Wheels, Transmission, Front and Rear Axle |
| Battery | 93-98 | Hose Burst Protection Valves, Hydraulic System |
| Jump-Starting the Engine | 99 | |
| Electrical System | 100-101 | Fuses, Adjusting the Alternator Drive Belt |
| Windshield Washer | 102 | Windshield Washer Bottle, Suitable Liquid, De-Icing Fluid, Engine Coolant Antifreeze |
| Fluids, Lubricants, Capacities and Specifications | 103-104 | Fuel Tank, Engine (Oil), Engine (Coolant), Transmission, Hydraulic Tank, Brake System |
| Optional Attachments | 105-108 | Introduction, Quick Release Couplings, Installing and Removing Q-Fit Attachments |
| Specifications | 109-110 | Static Dimensions, Performance Dimensions |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Wheel Nut Torque (Front) | 500 lbf ft (680 Nm) | p. 90 |
| Wheel Nut Torque (Rear) | 500 lbf ft (680 Nm) | p. 90 |
| Hydraulic Filter Installation Torque | hand-tight only | p. 93 |
| Air Filter Element Installation Torque | tighten wingnuts F and H | p. 76 |
| Air Filter Outer Element Replacement Trigger | warning light on the instrument panel illuminates | p. 76 |
| Engine Coolant Temperature (overheating indicator) | red warning light illuminates | p. 79 |
| Later machines | ||
| Hydraulic Filter Condition Indicator (replacement trigger) | needle on the indicator passes into the red area at high idle speed | p. 93 |
| Hydraulic Filter Condition Indicator (replacement trigger for sluggish operation) | needle on the indicator passes into the red area at high idle speed | p. 93 |
| A Series Engines | ||
| Engine Oil Filter Installation Torque, A Series Engines | hand tight only | p. 77 |
| R Series Engines | ||
| Engine Oil Filter Installation Torque, R Series Engines | hand tight until it contacts the filter head. Tighten the assembly a further 1/4 of a turn by hand. | p. 78 |
| 506 | ||
| Boom Retracted Chain Slack, 506 | 0.50 in to 1.00 in (12mm to 25mm) | p. 71 |
| 506HL, 508 | ||
| Boom Retracted Chain Slack (506HL, 508) | 1.00 in to 1.50 in (25mm to 37mm) | p. 71 |

















