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Foreword 5T Rough terrain forklift truck is a new developed forklift of Adaptalift Group. It owns characteristics as High vehicle capacity, novel structure and superior performance. The manual is the introduction of structure, working principle and serving of forklift truck. For safety and performance of truck, all in charge of operation, maintenance and management must read and comprehend this manual well.
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2.Hydraulic transmission gearbox (four-wheel drive) 1.Summary 4F35 hydraulic transmission gearbox is a new type gearbox for four-wheel drive rough terrain forklift truck, with total 4 shifts (three forward and one reverse)and PTO interface, and time sharing four-wheel drive can be realized based on the actual requirement. Torque converter for 4F35 hydraulic transmission gearbox is comprehensive with signal stage two phase and three working wheel, thus it owns automatic adaptability of hydraulic transmission output, which can change its output torque and speed as the change of external...
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L-TSA32GB11120 turbine oil or 6#, Work oil temperature of gearbox 8# hydraulic transmission oil Installment and use notice The main oil pressure of gearbox is 1.0-1.3 MPa, and the oil pressure of converter is 0.5-0.7 MPa. Normal working oil temperature is 70℃~95℃, maximum working oil temperature should not exceed 120℃...
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3.Drive axle 1. Structure and Working Principle 1.1 Structure and Working Principle The basic structure of the driving axle is shown in Fig. 2-5. It is mainly composed of axle housing assembly, main drive, half axle, wheel-side reducer and wet multi-disc brake.Its working principle is shown in Fig.
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1.3. Main transmission structure The main transmission structure is composed of a pair of spiral bevel gears and a differential. Differential is a differential planetary gear transmission consisting of two conical spur half-axle gears, four conical Spur Planetary gears, the left and right shells of the differential, the friction discs of the differential and the cross axle.
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2. Use of Drive axle 2.1 Installation of drive axle Rim nuts are M22 *1.5, all Rotate to the right, tightening moment is 633N.m. A set of rim nuts should be coated with 242 Letai glue before tightening, and must be symmetrical and uniform.In normal use, it is necessary to check whether the nut is loose and tightened in time.
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steps until no bubbles appear.Both left and right brakes are operated according to the above requirements. (Brake medium is hydraulic fluid) 2.4 Hoisting and storage 2.4.1 When the driving axle is hoisted, it is hoisted through the suspension rope at the position indicated by the arrow in the figure.
1、 Replacement of Oil Seal 1、 Oil Seal Burning Slip Aging 2、 Tighten bolts 2、 Bolt loosening 3、 Improving Lubrication 3、 Poor lubrication Oil leakage 4、 Delivery 4、 Excessive oil level specified position 5、 Wear or insufficient 5、 Replacement of floating pressure of floating ring or adjustment of ring...
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M12×35/60 Bracket bolts (Fig. 2) M14×1.5×40 Ring retaining bolts (Fig. 2) Fixed bolts for planetary frame M14×1.5×45 (Fig. 2) M10×25 End Cover Fixed Bolts (Fig. 2) Brake housing connecting bolts M12×1.5×100 (Fig. 4) 4.1.3 Check the oil leakage situation in each part and repair and remove it in time. All seals shall not be reused once disassembled.
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4.3.2.3 The minimum meshing clearance between the half-axle gear and planetary gear of the differential is 0.1 mm, which is adjusted by the half-axle gear gasket to ensure that after assembly, the differential can be rotated easily by hand without jamming. 4.3.2.4 Wheel-side reducer gears are repaired and replaced.
Driven gear contact area Adjustment way Adjustment direction First reduce the adjusting shim thickness of the bearing sleeve, get driving bevel gear close driven bevel gear, if the backlash is too small, move driven bevel gear outward. First increase the adjusting shim thickness of the bearing sleeve, deviate driving bevel gear from driven bevel gear,...
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The steering axle assembly is mainly composed of steering axle body, steering knuckle, steering hub, steering wheel, steering cylinder, etc. See Fig. 3-3 for details. Steering gear 转向装置 转向桥总成 Steering axle assembly Fig 3-1 Steering System Diagram...
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1.1 Full hydraulic steering gear 1.1.1 Summary The hydraulic steering gear is load sensing type. The steering gear is equipped with an LS port, which is connected to the priority valve, so that the steering load pressure signal of the steering gear is transmitted to the priority valve through the tubing to control the fuel supply of the steering gear.
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Fig 3-3 Oil Circuit Principle of Full Hydraulic Steering Device 1.1.2 Notices for Installation and Use 1)When the steering gear is installed, it should be coaxial with the steering column, and there should be clearance between the axes. After installation, check whether the steering wheel is flexible.
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Slow turning steering wheel Insufficient oil supply Check whether the oil pump is light, fast turning steering wheel for oil pump working properly sink There is foam in the oil, making Remove air from the system irregular noise, steering wheel There is air in the and check whether the suction turning and the cylinder not...
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Fig 3-5 Four-wheel drive steering axle 1.Left and Right 4.Swing seat 5.Main reducer Wheel Side 2.Body Assembly 3. Ventilator assembly assembly Assembly 6.Steering cylinder 7.Screw 8. Retaining ring 9.Bolt 10.Bolt assembly 11.Spring washer...
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1.2.2 Main technical performance parameters(four-wheel drive rough terrain forklift truck) Total transmission i=15.43 Tread B=1790(mm) ratio Max output torque M= 30(KN· m) Steering cylinder L=110x2(mm) stroke Steering cylinder p= 16 (Mpa) Outer wheel angle a=35° pressure Inner wheel angle a=50° Total length of single A=2069(mm) bridge...
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assembly, arc support, etc. Cylinder gp-steering The steering cylinder assembly is composed of constant speed and equal stroke double acting cylinder, joint bearing, tapered hinge rod assembly, etc. 1.2.3 Assembly of steering axle Rim nut is M18×1.5, tightening torque is 336 N· m, apply Loctite 242 to one group of rim nuts symmetrically and evenly before the rim nuts are tightened.
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1.2.5 Hoisting and storage 1.2.5.1 When hoisting the drive axle, hoist with the lifting rope getting through the position indicated by the arrow in the picture, shovel still through the position indicated by the arrow in the picture when transporting by shovel. Bump or drop is strictly prohibited whether hoisting or shoveling.
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②Check each drive parts move condition, abnormal noise is not allowed. ③Check if hub reduction gear, main driver and wet brake outer fastener loosen and screw down.The tightening moment is as required in the table below. Tightening Specification Remark torque (Unit:N.m) M16x1.5x100 Axle body connecting bolt...
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Minimum meshing clearance between differential half axle gear and planet gear is 0.1mm, adjust with friction plate, and make sure it can be light rotated without being stuck after assemble. Repair and replace wheel reducer gear, contact spots are checked by staining method, more than 45% along tooth height and more than 50% along tooth length.
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First increase the adjusting shim thickness of the bearing sleeve, deviate driving bevel gear from driven bevel gear, if the backlash is too big, move driven bevel gear inward. First reduce the adjusting shim thickness of the bearing sleeve, get driving bevel gear close driven bevel gear, if the backlash is too small, move driven bevel gear outward.
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1.Bad lubrication 1.Improve lubrication Over high axle 2.Improper assembly of 2.Adjustment according to temperature gears and bearings drawing requirements 1.Brake piston jammed 1.Cleaning Brake Cavity 2.There is a problem and Piston with brake return circuit 2.Check brake return circuit Brake lock 3.Axial movement 3.Check whether there is...
Ⅳ.Brake system Brake system is composed of service brake system and parking brake system. Service brake is front dual wheels hydraulic boosting brake and park brake is mechanical barrows brake. Data Model X700-640008-G00 With accumulator, pedal, central hydraulic brake Type valve Total travel...
2.Fault diagnosis and corrections Main brake Probable cause Corrective action Fault Oil leakage in brake lines. Correct and replenish. Air in brake lines. Bleed air. Water or oil on linings. Clean or replace. Uneven wear or contact of brake Grind or replace. Insufficient linings.
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Hand brake Probable cause Corrective action Fault Friction lining wear Replace. Large travel of control rod Adjust. Ratchet wear or damage Replace. Insufficient Hand brake dragline lengthen Replace. brake force Water or oil on linings Clean or replace. Uneven wear or contact of friction Grind or correct.
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Brake fretting pedal adjustment Brake pedal adjustment: (1) Adjust brake pedal stop bolt, make the pedal pad point P 145 ㎜±5 ㎜ from the front base plate and screw down the bolt nut. (2) Adjust hydraulic booster manipulator push rod length, and make the idle stroke of the point P to point Q is 1 ㎜~3 ㎜, and lock the nut;...
4. Brake valve and accumulator 4.1 Brake valve Brake valve is composed of valve body, closed valve rod, responding piston, slide valve, pushrod valve, check valve and spring. Refer to fig.4-2. Fig4-2 Brake valve Responding 1.Bolt 2.Valve stand 3. Closed valve rod 4.Guide sleeve piston 6.Return spring 7.Slide valve...
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With the pump oil pressure increasing, piston left shift stroke is limited by the stop tube in middle of combined spring, at this time, the accumulator has max. energy, oil pressure is 10Mpa, and the value is limited by relief valve opening and closing characteristic.
5. Hand brake Hand brake is internal expanding mechanical hand brake, its brake base installed to the box, brake drum is fixed to supporting flange, supporting flange is connected to parking brake shaft through spline, parking brake gear on parking brake shaft often engaged with double change output shaft.
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Fig4-6 Parking brake system diagram Parking brake system fault diagnosis and corrections Fault Probable cause Corrective action Friction plate wear Replace Large control rod stroke Adjust Insufficient Ratchet wear or damage Replace brake Hand brake dragline lengthen Replace Oil or water on friction lining force Clean or replace Uneven friction lining contact or...
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Hand brake control lever adjustment Adjust when the free stroke of hand brake handle is over large. Firstly release the hand brake control lever to limiting position, adjust handle head screw with screw driver, screw down in clockwise, and unscrew in counterclockwise. Adjusting main point: (1) Adjust internal mechanical hand brake before adjust the hand brake control lever;...
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(2) Take out parking brake shaft cotter and dismantle supporting flange; (3) Check friction lining, if wear is serious, replace new one in pairs. (4) Check brake drum surface, if rust or scratch, apply 120#-150# abrasive paper and sanding to deal with friction lining contact surface; if abrasion seriously, replace new brake drum;...
6.Service brake The truck equipped with wet brakes. Wet brakes include friction plate assembly, brake pads, piston, cylinder, brake housing and other components. When connecting the brake and the drive axle, the oil must be cleaned before connecting. 1.screw 2. brake shell 3.oil seal 4.
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When the friction plate grooves polished, need to replace them in pairs and dual steel friction plate, friction plates and steel plates spaced alternately fitted into the brake housing, the first piece and the last piece are steel and not installed backwards (Figure 4 -10) Paint sealant...
7.Hydraulic brake malfunction diagnosis In the parking state, step the brake pedal, generate pressure in brake system, continue stress force, if pedal gradually low down, leak on hydraulic system surface, check leakage and oil spots, then you can find out detailed fault position, tighten, repair or replace.
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1.2 Common fault and corrections Fault Probable cause Corrective action 1. Pump does not rotate or low 1. Make sure if oil pump is normally connected speed; with prime motor; 2. Change prime motor rotation or change to 2. Incorrect steering; opposite rotated gear pump;...
2. Multiple directional control valve 2.1 Structure and principle The multiple directional control valve is fraction model, which is made up of input, output and slide valve. Main relief valve is used to control the pressure of oil circuit. Main relief valve pressure has also been adjusted in the factory, so please don’t adjust it at will.
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Valve 1 Diverter valve Connect brake valve/Booster Connect steering gear Priority valve Fig5-2 Two through multiple directional control valve structure and oil line schematic diagram the 1 the 2 the 3 Steering relief valve (behind LS valve) Main relief valve...
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Valve 1 Valve 2 Diverter valve Connect brake valve/ Booster Connect steering gear Priority valve Fig5-3 Three-through multiple directional control valve structure and oil line schematic diagram Steering relief valve the 1 the 2 the 3 the 4 (behind LS valve) Main relief valve...
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Valve 2 Valve 2 Valve 1 Diverter valve Connect brake valve/Booster Connect steering gea Priority valve Fig5-4 Four-through multiple directional control valve structure and oil line schematic diagram Steering relief valve the 1 the 2 the 3 the 4 the 5 (behind LS valve)...
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Valve 2 Valve 2 Valve 2 Valve 1 Diverter valve Connect brake valve/ Booster Connect steering gear Fig5-5 Five-through multiple directional control valve structure and oil line schematic diagram Performance parameter Nominal pressure(MPa) Nominal diameter(㎜) Inlet flow(L/min) Allow rate of back pressure(MPa)...
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Fault diagnosis and adjustment Fault Probable cause Corrective action Loose of pressure-adjust screw. Readjusted and retighten. Pressure Distorted damaged Replace. relief valve is pressure-adjust spring. not steady or Replace or clean for new cannot Worn or blocked relief valve core. adjusted.
Clean seal plate Loose seal plate. retighten blots. Loose of lock-nut of relief valve and connect-nut between plate and Tighten. plate. Valve element of priority valve Adjust sticking Heavy steering Signal port blockage Clean Multiple directional control valve 3.Rotary type piping filter Multiple directional control Hydraulic oil way valve...
filter head and screw down. (2)Check if oil leaks. Notice: Hydraulic filter head must include bypass valve. 3.3 Filter replacement There installs signal generator on the filter head to check filter use condition, when the indicator is in the red zone, it means the filter element blockage is severe, bypass valve on the filter head is opened, and the filter does not have filtration, it must unscrew the filter drum and replace new filter element.
2)During daily usage, if there floats leakage oil on the piston rod surface, you should check if there is galling phenomenon on the piston rod surface, and replace o-ring and piston. 1- Snap ring 60 2-OSI Seal ring 3-Catch 4- Spacer bush 5- Support ring 6- Piston 7- Snap ring 8- Piston rod...
the lifting cylinder, lift or fall the fork carriage several times until there is no bubble at the bleed screw, and then screw down the bleed screw; (3)Tilt the tilting cylinder forward or backward to the maximum for several times, which can exhaust air in it.
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Gear pump side plate wear Change side plate R...
1. Assemble debugging data Debugging data Duplex mast and triplex mast Lifting height Lifting height Standard type and Mast type > 4~5 M > 5~6 M lifting height of 2.5~ Mast tilting Forward angle Backward Fork carriage roller Adopt longitudinal roller and side roller. Inspection and adjustment Assembly clearance...
2. Fault diagnosis and corrections Condition Probable cause Corrective action Tilt cylinder ring abraded Replace piston ring tilt excessively cylinder. Fork carriage or mast tilt automatically The hydraulic control valve spring is Replace it. inoperative. Caused by piston jamming or piston Replace the faulty parts.
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Leakage occurs in the hydraulic Tighten the joint nuts and pipe. inspect the seal for damage. Change the wrong hydraulic The hydraulic oil temperature is too oil or stop operation for reducing the oil, find out the high. Oil viscosity is too low and the reasons high rate is insufficient.
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Lifting assembly — Fastening Torque Check Front Table...
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3. Summary The lifting system is composed of inner and outer mast, fork arm carrier, fork arm, load backrest, chain, roller, lifting jack, and tilt cylinder, etc. Oil line system, hydraulic pressure system and it compose fork lift truck work equipment. This equipment is performing framework of load and unload.
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Outer mast Inner mast lifting cylinder lifting cylinder Tilting cylinder 3-Long 4-Free 5-Chain 6- Load-backrest 8-Forks Duplex full free lift mast Fig.6-2 Triple full free lift mast Triple full free lift mast (refer to fig. 6-3) is composed of outer mast, middle mast and inner mast, middle mast and inner mast can flex.
4. Mast dismantle and install adjustment △ ! Warning Be careful when removing and installing the forks, carriage and mast as they are heavy. Fig.6-5 4.1 Dismantle forks and mast assembly (5)Support mast assembly with wire Fork ropes. (1)Dismantle adjusting cylinder(8t-10t) and connecting tube;.
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(1)Adjustable left and right “A” with roller. (2)Unclench rollers carefully if no bearing shims, adjust to 0.5mm~1.2mm. puller or rollers would be smashed.(Up and (2)It is suitable that clearance of roller down, left and right, knock symmetrically.) and outer mast is about 0.8mm -1mm. Clearance can’t adjustable.
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4.6Clearance of fork carriage and rollers adjustment There equips with 4 main roller and 4 side roller at the fork carriage, and the side roller is installed to the inner and outer sides of right upright steel flange. Outer side roller is welded in place before leaving the factory, so it cannot be adjusted, you can only adjust the inner side roller adjusting shim to...
lifting device. Load backrest dismantlement: 1. Screw down 8 nuts, which installed at the load Fig6-17 backrest and fork carriage, and dismantle them; Disassembly 2. Dismantle load backrest. Removes tighten screw and nylon stopper, then remove cylinder head. Dismantlement is opposite to installment. (1)Remove dust gasket ring.
(4)The order of installation is reverse the · Keep body away from equipment, no order of disassembly. standing under the fork arm carrier. (5)Install sealing ring on piston. 6.1Disassembly (6)Install piston rod assembly into clean (1) Lay down the fork carriage completely. cylinder body.(including piston rod, piston, (2)Dismantle oil pipe at the entrance of supporting ring and seal ring)
the seal ring. ( 5 ) Before placing guild sleeve, apply hydraulic oil the same brand to work oil between O-ring and seal ring. (6)Do not scrape O-ring of the outer ring. (7)Remember install nylon stopper and tighten screw after screw cylinder head. Fig.
Ⅶ.Electrical system Warning Before checking any parts of electrical system, remove rings and jewelry to prevent short circuit, and turn off ignition switch and then disconnect battery ground cable. Before doing any electrical maintenance, make sure battery cable has been disconnected.
Control box assembly Component removal – Turn key switch "OFF"; – Press lock buckle on control box and open the cover; – Remove fuse and relay from box. Explanation If fuse or relay is broken, replace with new one. ①If fuse is damaged, be sure to eliminate cause of problem before installing new fuses. ②Never use fuse higher than specified rating.
Instrument,sensor and relay Combination instrument assembly – Remove 4 fixed bolts from meter case. Notice that when installing and removing, please make instrument surface tilt an angle to avoid damaging the screw thread of fixed parts on truck. – Take out wiring harness from sleeve, and then instrument can be brought out. –...
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Key (start) switch Disassemble and install – Remove combination meter. – Disconnect connector of wring. – Remove nuts, washers, spacers and instrument plate. To install, reverse removal procedures. Adjust ledge of switch to proper length when installing Inspect Use multimeter (with ohm) to check key switch whether it is on at each position. Switch position Terminal B1-B2-Acc on...
Lighting system specification Lamp Specification Headlight Front lighting Steering lamp 12V-24V Width lamp Combined back lamp(LED) (3.2V-20mA)×15 Brake and width lamp (3.2V-20mA)×15 Steering lamp (3.2V-20mA)×15 Reverse lamp Combination instrument Lighting lamp Caution lamp 12V-2W 12V-2W Disassembly and installation for head lamp –...
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Disassembly and installation of rear combination lamp – Take down rear combination lamp from overhead guard; – Bring the whole rear combination lamp to maintain location, remove rear lamp cover, and remove 4 bolts from back of cover; – Remove LED penal , loosen 2 bolts from fixed connector, disconnect connector, replace new LED panel –...
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Direction switch check – Disconnect switch connector clip, and check if each point is connected. – Use multimeter (with ohm) to inspect whether each position is connected: F1, F2, N, R. (two-wheel drive) Position Contact 2—6 3—6 1—6 4—6 (four-wheel drive) Position Contact 4—8...
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Light switch Turn signal switch Dismantle 1、 Dismantle combination instrument. 2、 Unscrew screw, disconnect wiring connector To install, reverse removal procedure Power Turn light check – Use multimeter(with ohm) to inspect whether it is on when turn light switch is on these positions: left turn, N, right turn.
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