sitrex QRX 12 Assembly, Use And Maintenance
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sitrex QRX 12 Assembly, Use And Maintenance

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ASSEMBLY, USE AND MAINTENANCE
QRX 12/14
201600

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Summary of Contents for sitrex QRX 12

  • Page 1 ASSEMBLY, USE AND MAINTENANCE QRX 12/14 201600...

  • Page 3: Table Of Contents

    INDEX SECTION 1 GENERAL INFORMATION ____________________________________________________ 2 WARRANTY ___________________________________________________________________ 2 SECTION 2 GUIDE TO THE SIGNS AND SYMBOLS USED ____________________________________ 3 SIGNS AND SYMBOLS __________________________________________________________ 3 WARNING SIGNS _______________________________________________________________ 3 WARNINGS IN THE MANUAL _____________________________________________________ 5 INDICATION SIGNS _____________________________________________________________ 5 SECTION 3 TECHNICAL SPECIFICATIONS ________________________________________________ 6 MACHINE TECHNICAL SPECIFICATIONS ___________________________________________ 6...

  • Page 4: General Information

    SECTION 1 GENERAL INFORMATION WARRANTY When the machine is received, check to make sure that it has not been damaged during shipping and that all the accessories are present. Claims must be made to the sales agent in writing within 8 days from receipt. The manufacturer warrants new machinery to be free from defects in materials and workmanship at the time of delivery to the original purchaser if correctly set up and operated according to this Operator's Manual.

  • Page 5: Guide To The Signs And Symbols Used

    SECTION 2 GUIDE TO THE SIGNS AND SYMBOLS USED SIGNS AND SYMBOLS These signs and symbols give information to the operator on how to make the best use of the machine so as to prolong its life, avoid damage, optimize work and, above all, to avoid injury to the operator and anyone within range of the machine.
  • Page 6 Fig. 2.4 Warns against the potential and serious risk of injury to the feet. Keep at a safe distance. Fig. 2.5 Warns against the potential and serious risks for the driver and/or other persons who are riding improperly on the tractor and/or on the machine.

  • Page 7: Warnings In The Manual

    WARNINGS IN THE MANUAL Fig.2.9 Indicates an imminently hazardous situation which, if not avoided, could result in death or serious per- sonal injury. Fig.2.10 2.10 This indicates a potential hazard that, if not avoided, could result in serious personal injury. It also warns not to remove protective devices.

  • Page 8: Technical Specifications

    SECTION 3 TECHNICAL SPECIFICATIONS MACHINE TECHNICAL SPECIFICATIONS MODEL QRX 12 QRX 14 Rake Wheels Rake Wheel Diameter 55" (1.4m) 55" (1.4m) Rake Wheel Diameter (optional) 60" (1.52m) 60" (1.52m) Maximum Windrow Width (F) 6' 7" (2m) 6' 7" (2m) Minimum Windrow Width (F) 3' (0.9m)

  • Page 9: Machine Identification

    MACHINE IDENTIFICATION 1) INCLINED DRAWBAR 2) HITCH 3) PARKING STAND 4) HORIZONTAL DRAWBAR 5) LEFT FOLD-UP CYLINDER 6) LEFT FOLD-UP ARM 7) LEFT TELESCOPING ARM 8) LEFT TANDEM WHEEL AXLE 9) LEFT REAR SECTION 10) LEFT CENTR. SECTION 11) LEFT FRONT SECTION 12) LEFT EXTENSION SECTION 13) LEFT RAKE WHEEL ARM 14) LEFT RAKE WHEEL...

  • Page 10: Machine Identification Data

    MACHINE IDENTIFICATION DATA The machine is identified by the following data: • Machine type • Serial number • Year of manufacture • WEIGHT stamped on the nameplate attached to the machine frame and to be specified when requesting spare parts or information.

  • Page 11: Assembly

    SECTION 4 ASSEMBLY DELIVERY AND UNPACKING. The machine is delivered partially assembled in n 1 crate which also contains n° 6 cardboard boxes. The rake wheels shipped are in separated pallet. The cardboard boxes contain all the various accessories for assembly (pins, screws, fittings, etc.). The small box not marked with a letter contains the reflector triangle to be attached to the machine.

  • Page 12: Assembly Instructions

    ASSEMBLY INSTRUCTIONS Examples of general measurements for identifying the assembly accessories based on type (Fig. 4.1) For tightening torques, see the table below (the class of the material is normally stamped on the head of the bolts). (Fig. 4.2)

  • Page 13: Metric-Inches Conversion Table

    WARNING !!! Assembly must be done carefully and accurately, for the safety of the person(s) doing the as- sembling and to ensure proper machine operation. Assembly should be done on a flat, solid surface, using the proper tools and wearing suitable clothing, making sure that all people not involved in the assembly are kept at a safe distance.

  • Page 14: Machine Assembly

    MACHINE ASSEMBLY STEP 1 - With reference to Fig. 4.3, carry out the operations in the following order: Attach the wheels (6) to the hubs (10) already fastened to the axle unit (2) using the special nuts (9) with a tightening torque of 120 ft. lbs. (16.3 daNm). The spherical part “A”...
  • Page 15 STEP 2 - With reference to Fig.4.4, carry out the operations in the following order: Connect the horizontal drawbar (3) to the frame (2) using bolts (1) and nuts (4). Item (1) : 8 bolts M16x140 (5/8”x 5 ½”) DIN 931 Item (4) : 8 nuts M16 (5/8”) DIN 980 ONLY FOR THE QRX/14.
  • Page 16 STEP 4 - With reference to Fig. 4.6, carry out the operations in the following order: Connect the inclined drawbar (1) to the horizontal drawbar (2) using bolts (3) and nuts (4). Fasten the hitch for the tractor (5) to the drawbar (1) using the two pins (6), the fastening bolts (8) and the washers (7).
  • Page 17 STEP 5 - With reference to Fig. 4.7, carry out the operations in the following order: Insert the bushings (4) in the openings in the frame (2). Screw in the grease nipple (7) into its hole on the frame (2). Connect the fold-up arms (2) to the frame (2) with the pin (5) and fasten all with the spring pin (5).
  • Page 18 STEP 6 - With reference to Fig. 4.8, carry out the operations in the following order: Fasten the cylinders (1) to the frame (3) and (2) using the pins (4), washers (5) and pins (6). Repeat the same operations on the other side of the machine Item (4): 4 pins ø25x58 (ø1x2 5/16”) Item (5): 4 washers ø25 (ø1”) DIN 125A Item (6): 4 pins ø6x35 (ø1/4”x 1 ½”)
  • Page 19 4.10 STEP 8 - With reference to Fig. 4.10, carry out the operations in the following order: Do not remove the packaging from the springs (11) until the following assembly stages have been com- pleted. Insert two nylon bush (9) and screw in grease nipple (10) on support (2).
  • Page 20 4.11 ONLY FOR THE QRX/14. STEP 9 - With reference to Fig. 4.11, carry out the opera- tions in the following order: Attach the extension section (22) to the front section (18), fastening it with the bolts (19) and nuts (18). Insert the cap (21) in the extension section (22).
  • Page 21 4.12 STEP 10 - With reference to Fig. 4.12, carry out the operations in the following order: 1) Insert the plastic bushings (2) in all their seats (5) in the rake sections. Before continuing assembly, note in Fig. 4.13 the special rake wheel arm Ref.9 to be mounted only in the end position of the hay rake section where there is the locking...
  • Page 22 4.14 With reference to Fig. 4.14, carry out the operations in the following order: 1) Fasten the spring assembly (A) to the arm (2) with the self-locking pin (1). 2) Rotate until it clamps on to it. Item (1): 12/14 pins ø16x36 (ø5/8"x1"13/32)

  • Page 23: Hydraulic System Assembly

    STEP 12 - SAFETY CHAIN 4.16 With reference to Fig.4.16, carry out the opera- tions in the following order: Attach the safety chain 1 to the holes A in the drawbar using the bolt 2, washer 3 and nut 4. Attach the safety chain point A in an ap- propriate attaching point of tractor.
  • Page 24 4.17 STEP 20 - With reference to Fig. 4.17 carry out the operations in the following order: 1) Mount the fittings on the valve (14) as shown in the figure. 2) Attach the valve (14) to the bracket 11) with bolts (15). 3) Fasten the assembly obtained to the machine at holes (16) n the frame using bolts (13), nuts (9) wash- ers (12) and split washers (10).
  • Page 25 4.18 STEP 21 - With reference to Fig. 4.18 (right side), carry out the operations in the following order: 1) Attach the throttled nipple (4), the eye fit- ting (2), washer (1) to the valve (5). 2) Attach the regular (not throttled) nipple (6) and washer (1) to the valve (5).
  • Page 26 4.19 4.20 STEP 22 - With reference to Fig. 4.19, carry out the operations in the following order: 1) Insert the hydraulic hose pairs (1) and (2) in the slot of the flange on the inclined drawbar as shown in the figure, from the side of the ¼” male threaded fitting, paying attention to the ar- rangement of the pairs of hoses, so as to avoid having difficult crossing problems later on.
  • Page 27 4.21 STEP 23 - With reference to Fig. 4.21, carry out the operations in the following order (see also Fig. 4.24, the result of the completed assembly): 1) Secure the pair of hoses (1) length 6000mm (19’8”7/32) and hoses (2) length 5850mm (19’2”5/16) in the supports (4) without tightening the bolts.
  • Page 28 4.22 STEP 24 - With reference to the figure, carry out the operations in the following order: 1) Secure the pair of hoses (2) length 2600mm and hoses (1) length 2200 in the supports (12) without tightening the bolts. Take into account the extension stroke of cylinder (6) when the blocks (12) are fas- tened.
  • Page 29 4.23 4.24 STEP 25 - With reference to Fig. 4.23 and 4.24, carry out the operations in the following order: 1) Screw the hose fittings (1), (2), (3) and (4) into the valve (5) as shown in Fig. 4.24. The hoses (1), (2), (3) and (4) must be the same in Fig.

  • Page 30: Electrical System Assembly

    ELECTRICAL SYSTEM ASSEMBLY 4.25 4.26 With reference to Fig. 4.25 and 4.26, carry out the operations in the following order: 1) Extend the electric cable (5) in Fig.4.26 along the machine drawbar. 2) Screw connector (3) into the valve (5) with the bolt (4) in Fig.4.25 passing through the hydraulic hoses as shown in the figure.

  • Page 31: Center Rake Wheel Kit (Optional)

    CENTER RAKE WHEEL KIT (OPTIONAL) The center rake wheel kit is used to move the hay in the central part of the windrow. The hydraulic cylinder is operated in parallel with the raising of the rake arms, therefore no further operations are necessary.
  • Page 32 To assemble the center rake wheel kit, proceed as follows (Fig. 4.27): 1) Remove the four bolts that connect the drawbar at the four holes in the plate (1). 2) Fasten the plate (1) using the long bolts (2) and the bolt (10) and nuts (3). 3) Attach the arm (4) to the plate (1) using the pin (6), washers (5) and spring pins (7).
  • Page 33 4.7.1 CENTER RAKE WHEEL KIT HYDRAULIC SYSTEM ASSEMBLY 4.28 To assemble the center rake wheel kit hydraulic system, refer to Fig. 4.28 and proceed as follows (see also Fig. 4.29 , the result of the completed assembly): Attention: before proceeding, make sure that the hydraulic system is not under pressure. Wear personal protective equipment (gloves, goggles, etc.).
  • Page 34 Pos. Qty. Description WASHER 3/8" BONDED STRAIGHT FITTING M-F SWIVELING 3/8" REDUCTION NIPPLE 3/8" - 1/4" WASHER 1/4" BONDED VALVE 1/4" PERFORATED SCREW FITTING 1/4" HOSE L. 730mm (28”47/64) FD ¼”-OC ¼” NIPPLE 3/8"-3/8" THROTTLED HOSE L. 640mm (25”3/16) FD ¼”-FD 3/8” CROSS FITTING, 1/4"...

  • Page 35: Assembly Of Conversion Kit From Qrx12 To Qrx14

    ASSEMBLY OF CONVERSION KIT FROM QRX12 TO QRX14 To convert the machine from 12 to 14 rake wheels add the extension on the extreme position of wheels sup- port of the 12 rake wheels machine. 4.30 With reference to fig. 4.30 carry out the operations in the following order: Mount the extension (22) with the front section (18) and secure with screws (19) and nuts (18).
  • Page 36 4.31 With reference to fig. 4.31 carry out the operations in the following order: 1) Put the filter locking pin (10) on the new section (12) in the position shown, by reversing the operations in fig. Errore. L'origine riferimen- to non è stata trovata.. 2) Insert the plastic bushings (2) into the pockets (11) of the rake sec- tions (12).

  • Page 37: Greasing Points

    GREASING POINTS After assembly is completed, lubricate the joints and sliding parts of the machine before starting any move- ment. 4.33 Lubricate after a given period of work. Every 25 (twenty-five) hours (Fig. 4.33): Pivot pins of the rake wheel arms (A) Rake wheel arm suspension spring assemblies (B) Pins (C), (D) Every 40 (forty) hours (Fig.

  • Page 38: Adjustment, Preparation And Use

    SECTION 5 ADJUSTMENT, PREPARATION AND USE The machine must be adjusted according to the specific work requirements. Different types of adjustments are described here, so you can choose the one that best suits your work needs. Before connecting the ma- chine, make sure that it cannot accidentally start moving (insert chocks under the wheels).

  • Page 39: Unhitching The Machine From The Tractor

    UNHITCHING THE MACHINE FROM THE TRACTOR DANGER !!! Always park the machine on flat ground. Carry out the operations in the following order: 1) Block the machine with chocks under the wheels. 2) Disconnect the hydraulic and electrical lines. 3) Secure the hydraulic and electrical lines in the bracket. 4) Unhook the safety chain.

  • Page 40: Electric Selector

    ELECTRIC SELECTOR The hydraulic cylinders (B) and (D) in Fig. 5.2 make it possible to rapidly adjust the working width and wind- row width from the tractor valve using the electric selector in Fig. 5.3 (angulation - extension). To change the extension of the telescoping arm (A), move the tractor valve connected to the line of hoses of cylinders (B), after having selected the “EXTENSION”...
  • Page 41 5.3.1 FUSE AND ELECTRICAL DIAGRAM The fuse is located on one side of the control box and can be accessed by unscrewing the protective cap. Before replacing the fuse, check with expert personnel that there are no short circuit contacts in the electrical circuit in Figure 5.5.
  • Page 42 5.3.2 POWER SUPPLY CONNECTOR The power supply connector of the tractor ISO 1185 PLUG (USA) may vary depending on the model and coun- try of origin. The standard supplied is the 7-pin plug ac- Ground (pin 1) cording to ISO 1185 as in fig.5.6. Plug is available on request for 3-pin socket DIN 9680.

  • Page 43: Road Transport

    ROAD TRANSPORT When sections are raised, the shape of the hinges brings the weight towards the tractor and makes it possible to decrease the size of the machine. Check carefully when raising the sections that the machine parts do not touch the tractor. Make sure during transport operations with some tractors, while steering or when moving over rough ground, that the sections do not touch the sides of the tractor, with the risk of causing damage to both machines.
  • Page 44 To put the machine in the transport position (Fig. 5.7) carry out the operations in the following order starting from the working position (Fig.5.9): 1) Make sure that the rake wheels are completely still. 2) Activate the tractor hydraulic control and raise the arms until they reach the stops (Fig. 5.7). 3) Fully retract the telescopic arms (A) (Fig.

  • Page 45: Compliance With The Highway Code

    DANGER !!! Please check that there are no oil leaks that could endanger the stability of the machine. COMPLIANCE WITH THE HIGHWAY CODE Before taking the machine on public roads, make sure it is in compliance with the current regulations of the Highway Code.

  • Page 46: Adjusting The Pressure Of The Rake Wheels On The Ground

    DANGER !!! Before putting the machine in the working position, check to make sure that there is no one within the operating range of the machine. If someone is there, make sure they move away out of range. To put the machine in the working position (Fig. 5.9) carry out the operations in the following order, starting from the transport position (Fig.

  • Page 47: Working Position Adjustments

    WORKING POSITION ADJUSTMENTS. 5.11 Maximum and minimum working and windrow widths (Fig. 5.11). MODEL QRX 12 QRX 14 Maximum Windrow Width 6' 7" (2m) 6' 7" (2m) Minimum Windrow Width 3' (0.9m) 3' (0.9m) Maximum Working Width 25' 1" (7.65m) 28' (8.5m)

  • Page 48: Working On One Side Only

    WORKING ON ONE SIDE ONLY DANGER !!! Before putting the machine in the working position, check to make sure that there is no one within the operating range of the machine. If someone is there, make sure they move away out of range.
  • Page 49 With the machine already in the transport position, to work on only one side carry out the following steps: 1) Turn off the tractor engine and remove the key. 2) Open the valves (A) and (B) of the side on which you wish to work. 3) Return to the tractor and lower the arm with the hydraulic cylinder.

  • Page 50: Locking The Rake Wheel Arms In The Raised Position

    5.10 Locking the rake wheel arms in the raised position 5.15 To lock the rake wheel arm in the raised po- sition (Fig. 5.15): 1) Unhook the spring assembly (B), removing the pin from the fork. 2) Connect the fork to the plate (C) with the pin of the fork.

  • Page 51: General Instructions For Maintenance

    SECTION 6 GENERAL INSTRUCTIONS FOR MAINTENANCE REPAIR WORK Repair work must be done with the machine stationary and detached from the tractor. Do not do any welding without the authorization of and/or instructions from the manufacturer. With the machine on the ground, release the pressure of the hydraulic circuit and allow the machine to cool down.

  • Page 52: Maintenance Instructionds

    MAINTENANCE INSTRUCTIONDS All cleaning, lubrication and maintenance operations must be carried out with the machine disconnected from the tractor. In an emergency with the machine still connected to the tractor, turn off the engine, engage the parking brake and remove the key from the ignition. Regular and proper maintenance is a basic requirement for long machine life and safe operation.

  • Page 53: Scrapping The Machine

    Check the hydraulic hoses regularly. In the case of normal use and wear, replace them every 5 (five) years. Damaged or worn hoses must be replaced immediately. When replacing, be sure to use hoses with the specifications recommended by the machine manufacturer. Use appropriate means to locate leaks.
  • Page 54 Zona Industriale-Viale Grecia, 8 06018 TRESTINA-(Perugia)-ITALY Tel. +39.075.8540021-Telefax +39.075.8540523 e-mail: sitrex@sitrex.it www.sitrex.com...

This manual is also suitable for:

Qrx 14

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