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19 

 

 

 

3.3 

 Work to be carried out by a competent mechanic 

 

 

 

 

3.3.1  Instructions for replacing the sleeve bearing of K55A, K55C, SK55A en SK55C 

 

1.

 

Disconnect the hydraulic hoses. 

2.

 

Remove the forks from the forklift truck. 

3.

 

Take the box rotator from the forklift truck / tractor and put it on its back on a flat, stable surface. 

4.

 

Take the pressure off the 

rack shaft

 by loosening the entire 

rack section

. First loosen the two lock nuts 

M12

 

on the top of the rack section and then loosen the two bolts 

M12x60

. Loosen the six bolts 

M12x30

 on the 

side of the rack section a few turns to take the pressure off the rack shaft. 

5.

 

Support the rotating cylinder so that it no longer rests on the 

fork carrier

 gear wheel. 

(Use appropriate lifting equipment; the minimum lifting capacity must exceed the weight of the box rotator; 
see technical data - chapter 2.1) 

6.

 

Turn the nuts 

M12

 and the 

adjusting bolts M12x40

 of the bearings in the 

locking plate

 back one full stroke. 

7.

 

Remove the 

locking plate

 after unscrewing the 

bolts M12x50

.  Prevent the fork carrier of the 

back plate

 

from unexpected movements. 

8.

 

Pull the fork carrier from the 

shaft plug

.  Remove the 

tapered roller bearings

  of the shaft plug from the 

bearing house of the 

fork carrier

.  Clean the bearing housing and the shaft plug, and check for wear and tear. 

Contact the dealer after detecting any wear. Also, check the lubrication. The lubricant must be applied to the 
bearing bush via the grease nipple and the opening on the shaft plug. Clean the lubrication duct, if necessary.

 

9.

 

Push the new 

tapered roller bearings

 around the shaft plug and in the bearing house, as shown in figure 

3.3.1. 

10.

 

Return the 

fork carrier

 to the 

back plate

. Avoid any damage to the 

tapered

 

roller bearings

 by means of good 

support and guidance. Make sure the 

fork carrier

  and the 

rotating  cylinder

  are repositioned correctly in 

relation to the 

back plate

.  

11.

 

Mount and firmly secure the locking plate, using the 

bolts M12x50

.  (100 Nm) 

12.

 

Fasten the 

adjusting bolts M12x40

 of the roller bearings in the 

locking plate

 by hand and then turn back a 

quarter of a stroke. Secure the 

adjusting bolts M12x40

, using the 

lock nuts M12

13.

 

Fasten the two 

bolts M12x60

 on top of the 

rack section

 (60Nm) until the 

rack shaft

 slips back into the 

gear 

wheel

.  Secure the rack section by tightening the six 

bolts M12x30

 on the side of the rack section.  

14.

 

Put the box rotator back onto the forklift truck/mast and return the forks. 

15.

 

Lubricate the bearings, connect the hydraulic hoses, and check that the box rotator is working correctly. 

 

 

 

 
Always use original WIFO parts for replacement in order to comply with the warranty terms and conditions. 
 

 

Summary of Contents for K55A

Page 1: ...a B V Hegebeintumerdyk 37 9172 GP Ferwert Holland Telefoon 0031 518411318 Telefax 0031 518411563 www wifo nl email info wifo nl Manual and safety instructions S K55A S K55C Box rotator GB K55A K55C SK...

Page 2: ......

Page 3: ...2 1 GENERAL TECHNICAL DATA 9 2 2 K55A AND K55C 10 2 2 1 Parts list 10 2 2 2 Commencement of operation K55A and K55C 12 2 3 SK55A AND SK55C 13 2 3 1 Parts list 13 2 3 2 Provisions for connecting SK55A...

Page 4: ...duce any changes and improvements deemed necessary without prior notice Please read the manual thoroughly and observe the safety procedures before putting the unit into operation Contact your dealer f...

Page 5: ...the forks as widely as possible Position the third fork against the side of the box Restrict driving with the load in elevated position Do no tilt the load during transport Slightly tilt the forklift...

Page 6: ...advertent tilting or side shifting Only the side shift function remains in the event of a power cut while operating an electrically controlled valve Disable the tilting motion by closing the ball valv...

Page 7: ...maintenance to the machine Turn of the engine and remove the key from the ignition for the time maintenance on the machine is carried out 1 Danger Always keep a safe distance from the machine 2 A safe...

Page 8: ...6 2 1 2 1 Figure 1 2 1 Position safety stickers for K55A and K55C Figure 1 2 2 Position safety stickers for SK55A and SK55C 1 2 3 Placement of the safety stickers on the machine...

Page 9: ...ng capacity of the box rotator The box rotator must be attached to a FEM II K55A and SK55A or FEM III K55C and SK55C fork carrier of a forklift truck or forklift mast Do not use the box rotator for ca...

Page 10: ...serve the local regulations in terms of accident prevention safety traffic and transport 6 Only trained personnel with knowledge of the possible hazards have permission to work with on the machine 7 W...

Page 11: ...capacity 2500 kg 2500 kg 3500 kg 3500 kg Weight 295 kg 370 kg 370 kg 450kg Max working pressure 22Mpa 220 bar 22Mpa 220 bar 22Mpa 220 bar 22Mpa 220 bar Back tilt moment 1 10 8 KNm 10 8 KNm 10 8 KNm 1...

Page 12: ...10 2 2 K55A and K55C 2 2 1 Parts list Figure 2 2 1 Parts drawing for K55A and K55C...

Page 13: ...6 Eccentric lockpin 13 Gearwheel C45 M5 Z 60 4290114 47 Compression spring 35x3 L40 14 Tapered roller bearing 33018 429029 48 Bolt M10x45 15 Tapered roller bearing 33117 429030 49 Locknut M10 16 Packi...

Page 14: ...them to the rapid action couplings to prevent any debris from entering the hydraulics of the machine 8 Connect the hydraulic hoses to the dual action connection on the fork carrier 9 Remove the check...

Page 15: ...13 2 3 SK55A and SK55C 2 3 1 Parts list Figure 2 3 1 Parts drawing for SK55A and SK55C...

Page 16: ...2 L70 16 Packing seal 145x125 L14 H9 429035 58 Rack section 17 Packing seal 145x125 L14 H9 429035 59 Rotating cylinder DW80 35 377 18 Locking plate 160 L25 4290073 60 Locknut M14 19 Grease nipple M8...

Page 17: ...ctro hydraulic valve No Description Comments 1 Feed through Block four hose connection 1 Attachement electro hydraulically controlled valve 2 Electro hydraulic valve 3 Coil of the electro hydraulic va...

Page 18: ...be able to turn it on and off from his control post without the risk of mixing it up with any other controls For a safe working environment avoid situations such as inadvertently starting the machine...

Page 19: ...ar and tear Replace after excessive wear and tear Regularly check the hydraulic section for any leaks Never try and search for leaks or stop a leak by hand Liquid under high pressure can easily penetr...

Page 20: ...r to be straightened After straightening firmly secure the two lower bolts M30 All models There is some play in the bearing tapered roller bearing on the shaft of the fork positioner Loosen the lock n...

Page 21: ...rier Clean the bearing housing and the shaft plug and check for wear and tear Contact the dealer after detecting any wear Also check the lubrication The lubricant must be applied to the bearing bush v...

Page 22: ...20 Figure 3 3 1 Position of the tapered roller of K55A K55C SK55A and SK55C...

Page 23: ......

Page 24: ...gen van de Machinerichtlijn Richtlijn 2006 42 EG zoals laatstelijk gewijzigd en de nationale wetgeving ter uitvoering van deze richtlijn Is in conformity with the provisions of the Machine Directive D...

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