1. Manuals
  2. Brands
  3. Extec Manuals
  4. Industrial Equipment
  5. C-12 CRUSHER
  6. Operator's manual

Extec C-12 CRUSHER Operator's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Rev4.Iss1
C-12 CRUSHER
OPERATORS MANUAL
(Machine with Transport Bogie & Folding Hopper)
EXTEC SCREENS & CRUSHERS LTD
HEARTHCOTE ROAD,
SWADLINCOTE, DERBYSHIRE.
DE11 9DU. ENGLAND.
Tel:- +44 (0) 1283 212121
Fax:- +44 (0) 1283 217342
0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the C-12 CRUSHER and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Extec C-12 CRUSHER

Summary of Contents for Extec C-12 CRUSHER

  • Page 1 Rev4.Iss1 C-12 CRUSHER OPERATORS MANUAL (Machine with Transport Bogie & Folding Hopper) EXTEC SCREENS & CRUSHERS LTD HEARTHCOTE ROAD, SWADLINCOTE, DERBYSHIRE. DE11 9DU. ENGLAND. Tel:- +44 (0) 1283 212121 Fax:- +44 (0) 1283 217342...
  • Page 2 - Aux Normes Europeennes Harmonisees - Und den in Einklang stehenden Europäischen Normen - Alle Norme europee armonizzate - Estándares armonizados europeos EN 292-2 EN 474-1 (EN 474-5) Manufacturer EXTEC SCREENS & CRUSHERS TYPE C-12 CRUSHER Constructeur Hearthcote Road, Swadlincote Modele Hersteller...
  • Page 3 C-12 CRUSHER INTRODUCTION Congratulations on the purchase of your Extec C-12 Crusher. This machine has been designed and constructed using first class materials and it will reach you in optimum condition. Operation of the plant contrary to the instructions contained in this manual, or modifications to the machine without the agreement of the manufacturer, will invalidate any undertakings given by the manufacturer attaching to the machine.
  • Page 4 C-12 CRUSHER OPERATORS MANUAL - CONTENTS SAFETY INSTRUCTIONS Page:- 4 TRANSPORTATION DIMENSIONS Page:- 5 NOISE EMISSIONS Page:- 6 PRESTART INSTRUCTIONS Page:- 7 STARTING THE MACHINE Page:- 8 STOPPING THE MACHINE Page:- 9 REMOVING TRACTOR UNIT & BOGIE Page- 10 - 12 TRACKING/MOVING MACHINE Page:- 13 &...
  • Page 5 C-12 CRUSHER SAFETY INSTRUCTIONS For safe operation of this machine, the following instructions MUST be followed at ALL times:- Machine must ONLY be operated by trained personnel. Different countries and states often have specific legislation relating to the operation of different types of machinery and their effects on safety and the environment.
  • Page 6 C-12 CRUSHER 3385 [11'-1 "]...
  • Page 7 C-12 CRUSHER NOISE EMISSIONS To comply with the supply of machine (safety) regulations 1992, amended 1994, EXTEC provides the following information. The diagram below shows decibel readings taken by Castle GA 101/701 meter - calibrated on the 13.9.94 with all systems running, sited on factory assembly line.
  • Page 8 C-12 CRUSHER PRESTART INSTRUCTIONS BEFORE starting this machine it is IMPERATIVE that the instructions below are followed:- Ensure that this manual is read & understood by the operator. DO NOT attempt to start the machine until you are aware of ALL aspects of its operation. Any questions should be referred to your supervisor.
  • Page 9 C-12 CRUSHER STARTING SEQUENCE 1:- OPEN ELECTRICAL CONTROL BOX Emergency Stop Ignition Key (ON/OFF) Warning Lights Engine Speed Control Engine R.P.M Meter Interlock (ON/OFF) Main Conveyor (ON/OFF) Side Conveyor (ON/OFF) Magnet (ON/OFF) Crusher (ON/OFF) Feeder (ON/OFF) Crusher Reverse (ON/OFF) Tracks (ON/OFF) Main Conveyor (UP/DOWN) Set speed control to No.1 position...
  • Page 10 C-12 CRUSHER STOPPING THE MACHINE To stop the machine, it is ESSENTIAL that the following steps be followed - in order to prevent damage to the machine:- Stop feeding material into hopper. Wait for all material to fully discharge from feeder, crusher chamber and conveyor belts.
  • Page 11 C-12 CRUSHER REMOVING TRACTOR UNIT AND BOGIE NOTE:- Before attempting to lower the jacking legs ALL of the leg transportation retaining screws MUST be removed. Jack retention screw 1:- Front Jacking Legs lever. 2:- Lower front Jacking Legs to raise fifth wheel neck by approximately 100 mm.
  • Page 12 C-12 CRUSHER REMOVING TRACTOR UNIT AND BOGIE 7:- Remove Bogie air brakes & lighting 8:- Retract both front and rear jacking legs so that weight of machine is taken on tracks . connections then tow away from machine. 9:- Raise L/H hopper side...
  • Page 13 C-12 CRUSHER REMOVING TRACTOR UNIT AND BOGIE 12:- Remove rear door ram hose. 13:- Attach hose to fifth wheel lifting ram. 14:- Remove struts from 5th wheel neck, then Rear hopper door / 5th wheel neck lever . remove connection panel & umbilical cord completely from machine.
  • Page 14 C-12 CRUSHER TRACKING (MOVING) PROCEDURE When engine is running at speed No.1, the machine can be moved to desired position on site by following the instructions below:- 1:- Press button "Clamp On". 2:- Press button "Interlock On" 3:- Press button "Main conveyor lift"...
  • Page 15 C-12 CRUSHER Jacking legs fully raised 5:- Press button "Tracks On" After following instructions on the previous page, use either the Remote handset or Hard Wire Drive to move machine to desired position. NOTE:- The Remote Handset will be supplied as either yellow or white (Not Both) and must be fully recharged at regular intervals.
  • Page 16 C-12 CRUSHER PREPARING THE CRUSHER FOR OPERATION 1:- Press button "Clamp On" 2:- Press button "Interlock On" 3:- Press button "main conveyor lower" Main conveyor in working position 4:- Raise L/H hopper side 5:- Raise R/H hopper side...
  • Page 17 C-12 CRUSHER PREPARING THE CRUSHER FOR OPERATION Cont. Hopper side being raised Hopper side fully raised 6:- Raise hopper back door Hopper back door being raised 7:- Fit locking pins to hopper sides/rear 8:- Fit hopper cross-tie box & secure with pins &...
  • Page 18 C-12 CRUSHER PREPARING THE CRUSHER FOR OPERATION Cont. 9:- Fit & tighten bolts at hopper leg/chassis. (Both 10:- Remove side conveyor locking pin sides) 11:- Activate lever marked "Side Con Fold" to lower Side conveyor in working position side conveyor.
  • Page 19 C-12 CRUSHER PREPARING THE CRUSHER FOR OPERATION Cont. 13a:- Locate safety gate in holes in RH side walkway. 13b:- Push safety gate firmly down into holes. 13c:- Raise up rotating gate section. (NOTE:- while 13d:- Rotate & lower gate into position. Repeat operator is using the platforms the safety gates procedure on other side of machine.
  • Page 20 C-12 CRUSHER SETTING MATERIAL OUTPUT SIZE: The C-12 crusher has an adjustable discharge setting capacity. To set the size of the output material, carry out the following procedure : WARNING:- The machine MUST be stationary and the crusher turned off whilst this procedure is carried out.
  • Page 21 C-12 CRUSHER SETTING MATERIAL OUTPUT SIZE Cont. 3:- Press button "Jaw adjust on" 4a:- Press button "Jaw in" to close up Jaw. 4b:- Press button "Jaw out" to open up Jaw. 5:- Lock jaw when adjustment is complete. USING REMOTE PENDENT FOR SETTING MATERIAL OUTPUT SIZE 1:- Turn to remote.
  • Page 22 The crusher must not be operated at Closed Size Settings (CSS) of less than 75mm (3") without prior approval in writing from Extec Determining when the jaw is fully closed can be done by examining the position of the alignment arrow on the jawstock shaft end plate.
  • Page 23 STOP MACHINE and remove any large pieces of material with the appropriate equipment. DO NOT use excavator to force any material into feeder as any damage occurred from this action will invalidate any EXTEC warrantees. iii) Material should be fed carefully, (not dropped onto feeder) from about 300mm above feeder. Ensure that feeder is evenly loaded over its entire length - excluding grizzly - this is to help with screening fines material and to maximise production.
  • Page 24 High Pressure. Feeder cuts out when pressure in crusher box The C-12 crusher is fitted with a pressure sensing device goes above 200 bar. that will cut out the operation of the feeder when the pressure in the crusher chamber exceeds specified limits.
  • Page 25 C-12 CRUSHER REVERSE JAW OPERATION When crushing, the jaw of the machine may become jammed with material. If this happens, the direction of crushing can be reversed in order to free the material. To do this, proceed as follows:- Stop the crusher...
  • Page 26 C-12 CRUSHER JAW BRAKE PRESSURE ADJUSTMENT SAFETY NOTICE The following proceedures are carried out with the machine running so extra care MUST be taken to ensure the saftey of ANY personnel on or in the vicinity of the machine. FORWARD JAW BRAKE PRESSURE Attach pressure gauge to pressure point as shown.
  • Page 27 C-12 CRUSHER MACHINE MAINTENANCE Maintenance is essential for ensuring the best possible performance from your Extec Crusher by reducing the chances of breakdowns. WARNING:- The machine MUST be switched off and ignition keys removed BEFORE making any adjustments. DO NOT stand on any part of the engine whilst operating or carrying out any maintenance on the machine.
  • Page 28 C-12 CRUSHER DAILY MAINTENANCE SCHEDULE Cont. Bleed diesel water trap. Check radiator water level & refill if necessary. Check service indicators on Air Cleaner. Regardless of condition of service indicator, remove elements from air cleaner as shown below and clean them using compressed air.
  • Page 29 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE The following weekly maintenance must be carried out to ensure the best performance from your Crusher:- STOP MACHINE AND REMOVE IGNITION KEY BEFORE CARRYING OUT ANY MAINTENANCE ON THIS MACHINE. Check condition of conveyor belts, rollers and other moving parts.
  • Page 30 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE Cont. CHECKING FEEDER OIL LEVEL:- (ALWAYS CHECK BOTH SIDES) 1:- Remove oil level plug. If oil trickles out, 2:- Remove oil filler plug. Refill using EP220 there is enough oil in feeder - if not, oil level GEAR OIL until oil comes out of level hole.
  • Page 31 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE Cont. GREASING BEARINGS:- Using suitable equipment, all bearings must be greased every week. See following chart for details of grease points and types. WARNING:- NEVER USE GREASE CONTAINING MOLYBDENUM. DOING SO MAY CAUSE DAMAGE TO MACHINE PARTS AND WILL INVALIDATE ANY WARRANTY.
  • Page 32 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE Cont. INSPECTING/ADJUSTING BELT SEALING RUBBERS:- 1:- Sealing rubber in correct position & 2:- Adjust if required. condition 3:- Refit clamp fixing screws ADJUSTING BELT SCRAPER:- If required, adjust head drum scraper by loosening bolts in rota springs, adjusting scraper and re-tightening...
  • Page 33 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE Cont. Check service indicators on hydraulic filters when machine is running - (CHECKING CONDITION OF FILTER INDICATORS IS THE ONLY CHECK TO BE MADE WHEN MACHINE IS RUNNING). STOP MACHINE BEFORE REPLACING ELEMENTS. 1:- Lift up cover & inspect service indicator 2:- Replace elements if service indicator is 4:- Close and secure cover plate.
  • Page 34 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE Cont. HYDRAULIC FILTERS WITH OPTIONAL OIL COOLER FITTED. Check service indicators on hydraulic filters when machine is running - (CHECKING CONDITION OF FILTER INDICATORS IS THE ONLY CHECK TO BE MADE WHEN MACHINE IS RUNNING).
  • Page 35 C-12 CRUSHER WEEKLY MAINTENANCE SCHEDULE Cont. TURNING / CHANGING JAW PLATES:- If, when examining jaw plates it is found that they are excessively worn they must be either turned or replaced. Jaw plates will wear more at the bottom of the crusher chamber, as this is where most of the crushing action takes place.
  • Page 36 C-12 CRUSHER MAINTENANCE SCHEDULE - EVERY 250Hrs Every 250 hours, the following maintenance must be carried out in order to ensure the best performance and least possible amount of downtime from your machine. Follow maintenance instructions laid out in engine manufacturers handbook..
  • Page 37 C-12 CRUSHER MAINTENANCE SCHEDULE - EVERY 1000Hrs Every 1000 hours, the following maintenance must be carried out:- Repeat 250 hr maintenance schedule. Change oil in vibrating feeder. iii) Change diesel filters. Replace Toggle clamping & link arm ram bearings. Change oil in tracks.
  • Page 38 C-12 CRUSHER TOGGLE PLATE REMOVAL / REPLACEMENT To protect the crusher from the excessive loads generated by un-crushable objects, the Jawstock is fitted with overload protection device - "Toggle Plate". When the permissible loads are exceeded, the Toggle Plate will collapse from elastic buckling and the crusher will automatically shut down, providing a degree of protection to valuable machine components.
  • Page 39 C-12 CRUSHER TOGGLE PLATE REMOVAL / REPLACEMENT Cont. 7:- Unscrew locking screw. 8 :- Utilise screw as a valve handle & 9:- Stop the machine as described on push valve handle to release toggle plt.. page 9. 11:- Examine toggle clamping & lift ram...
  • Page 40 C-12 CRUSHER TROUBLE SHOOTING GUIDE Below is a list of some of the common problems that might occur on your machine. If these problems arise, carry out the checks listed. PROBLEM SOLUTION Engine losing power Check air filter isn't blocked.
  • Page 41 Check that all levers are in their central position and check if the crusher operates. If Crusher operates and levers are central but the machine still won't track, this may indicate an electrical problem. Contact Extec immediately. Check suction pressure using a 0 - Check tank return pressure using a...
  • Page 42 IF ANY PROBLEM PERSISTS AFTER CARRYING OUT THE RECOMMENDED SOLUTION, OR A PROBLEM ARISES THAT IS NOT ON THIS LIST, CONTACT EXTEC SERVICE DEPARTMENT FOR FURTHER ASSISTANCE. ADJUSTING PRESSURE SETTINGS OR REFILLING HYDRAULIC OIL ON THE MACHINE SHOULD ONLY BE DONE BY TRAINED...
  • Page 43 Extec Screens & Crushers Ltd Hearthcote Rd Swadlincote Derbyshire DE11 9DU England Tel: +44 (0) 1283 212121 Fax: +44 (0) 1283 217342 Extec Screens & Crushers Ltd Am Frauenberg 2 36820 Oberaula Deutschland Telefon: +49 (0) 6628 9211-0 Telefax: +49 (0) 6628 9211-11...

Table of Contents

Save PDF