Sandvik QJ341 Mobile Jaw Crusher Operator’s Manual 2011 – PDF Download

Description

Sandvik QJ341 Operator’s Manual – 2011 Edition

This is the full operator’s manual for the Sandvik QJ341 single toggle mobile jaw crushing unit, issued 01/07/2011 (Version 1). It is the document that ships with the machine and covers everything an operator, supervisor or maintenance technician needs to run, set up, adjust and service the QJ341 safely across its working life. Every section is written around the actual machine – the 1200 mm x 750 mm Sandvik jaw box, the Caterpillar C9 power unit, the hydraulic track undercarriage and the full conveyor and magnet arrangement.

File Details

• Manual type: Operator’s Manual
• Brand: Sandvik
• Model: QJ341
• Document issue: 01/07/2011 – Version 1
• Copyright: 2011 Sandvik
• Language: English
• Page count: 206
• File format: PDF

Chapters Covered

• Safety Section – safety essentials, labels and signals, colour coded signs, PPE, hazard zones, noise and vibration levels, specific hazards, electrical, battery, hydraulic and hazardous substances
• Transport and Technical Data – machine preparation for transport, tracking on and off a transport vehicle, working and transport dimensions, application and limitations, key features, identification of main units, emergency stop positions, technical information, specification of main units
• Product Overview – main components, optional extras, machine layout
• Commissioning and Shut Down – preliminary operations, main control devices, electrical control box, display panel, setting time and date, setting the language, engine starting procedure, tracking machine, direction indicators, wired umbilical track control, main conveyor raise, machine set-up for operation, jacking legs lower and raise
• Operation – running the crusher, manual run mode pages 1 to 3, auto run mode, feeder and natural fines conveyor control, fault events, manual stop sequence, auto stop sequence, emergency stop operation and reset, lock and tag-out procedure
• Operating the Machine – crushing mode, automatic mode, manual mode, stalled or blocked crusher, adjusting the jaw Closed Size Setting (CSS), reverse jaw operation, feeder transfer chute setup, loading material into machine
• Maintenance – safety requirements, daily, weekly, 50-80, 250, 500, 750, 1000 and 2000 hour schedules, fluid drain points, engine oil, diesel fuel, diesel water trap, hydraulic fluid, engine coolant, hydraulic tank air breather, air cleaner, magnet conveyor, feeder gearbox, bearings, grease pump unit, belt sealing rubbers, belt scrapers, conveyor belts, hydraulic filters, track gearbox oil, track tension check, increase and reduce
• Jaw Plates – turning and changing, jaw guards removal, swing jaw plate removal and installation, fixed jaw plate removal and installation, crusher box liner plates, toggle plate removal and replacement
• Oils and Fluids – approved lubricants, capacities and temperature ranges
• Machine Fault Codes and Maintenance Screens – red faults, blue faults, engine faults
• Trouble Shooting – faults displayed on screen, OEM trouble shooting
• Spare Parts Catalogue – ordering procedure
• Electrical and Hydraulics – electrical schematics and hydraulic schematics
• Information and Data Sheets – OEM information, hazardous substances, variations and options

What makes this document genuinely useful is the way the safety content, the operating sequences and the maintenance schedules all reference the same machine-specific values. The jaw CSS adjustment procedure, the feeder speed percentages, the crusher chamber level monitor settings and the hydraulic oil temperature thresholds are all given for the QJ341, not for a generic crusher. The maintenance section is broken into time-based schedules running from daily checks up to 2000 hours, so a workshop can build a service plan straight from the pages rather than interpreting a universal chart. The fault code tables split red, blue and engine faults, which lets an operator read a display warning and go straight to the affected system.

Who This Manual Suits

Machine operators working the QJ341 on a quarry or demolition site will use the commissioning, tracking and crushing sections daily. Site supervisors and safety officers will get the most from the hazard zone diagrams, the exclusion zone dimensions, the PPE requirements and the lock and tag-out procedure. Maintenance technicians and fitters will rely on the scheduled maintenance section, the fluid and lubricant tables, the jaw plate turning and replacement procedures and the track tension method. Owners of a used QJ341 who did not receive the manual with the machine will find the transport preparation steps and the set-up instructions essential before moving or recommissioning it.

The jaw plate procedures are the most demanding part of the document and are documented in full – removing the guards and toggle cover, unbolting the wedges, attaching approved lifting equipment, lifting the swing or fixed jaw plate clear, then reinstalling with the correct torque figures. Toggle plate replacement, which protects the crusher from uncrushable material, is covered as a complete step-by-step sequence including the hydraulic release valve operation. Crusher box liner plates are documented with a defined removal and installation order so the top and bottom plates are handled correctly.

Why It Matters

Jaw crushers are unforgiving of improvised procedure. Working to the wrong CSS, over-tensioning a track, using the wrong hydraulic fluid viscosity for the ambient temperature or failing to relieve pressure before opening a hydraulic circuit all lead to accelerated wear, component failure or injury. This manual gives the approved figures and the approved sequence for each of those tasks. The lubricant table in particular specifies different hydraulic oils by temperature band – ISO VG 32 below 0 degrees C, ISO VG 46 between 5 and 35 degrees C and ISO VG 68 above 35 degrees C – which is exactly the kind of detail that gets lost when a machine changes hands without its paperwork.

Every maintenance task in the book is written to be carried out with the machine stopped, isolated, key removed and tagged out. The maintenance section states this repeatedly and the lock and tag-out procedure is documented with the isolator location and the padlock arrangement, which makes the manual straightforward to align with a site’s own permit-to-work system.

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Instant PDF Delivery

The Sandvik QJ341 operator’s manual is delivered as an instant PDF download – no shipping, no waiting for a printed copy to arrive. It opens on any laptop, tablet or phone with a PDF reader, and any page can be printed for the workshop, the machine cab or a toolbox so the relevant procedure is on hand at the point of work. Sections can be printed individually, which is useful for handing the daily and weekly checklists to an operator or pinning the fault code tables near the control panel. Search the file to jump straight to a fault number or a lubrication spec rather than leafing through a paper copy.