The SC self-rotating surface cleaning tool is the hot-sale product in our products list. It has the powerful spraying performance and easy service features, its stable working cleaning is welcomed by our customers, and the following is the manual for service and maintenance works.

SC SELF-ROTATING SURFACE CLEANING TOOL MANUAL

SC self-rotating surface cleaning tool rated up to 2800bar applies in industrial equipment surface preparation, ship hull rust and paint removal. It has advantages of simple inner structure and easy maintenance and low usage costs.

Technical Parameters:

✷Max Operating Pressure: 2800bar​

✷Flow Rate: 15-38L/M​

✷Speed Range: 1200-2600 rpm

✷Outer Diameter: 48mm​

​✷Length: 205mm​

✷Assembly Weight: 1.3kgs (aluminum alloy shroud)

✷Connection Screw: 1-1/8 UNF

✷Nozzle Thread & quantity: 7/16 & 4pcs

SC SELF-ROTATING SURFACE CLEANING TOOL INSTALLATION

1. Assemble retaining ring and O-ring to rotating head, be careful with the assembly sequences.

2. Assemble the cartridge properly to the outer screw, be careful with the assembly direction.

3. Assemble the outer screw properly to the rotating head, assemble two angular contact bearings to the rotating head, be careful with the assembly direction.

4. 4 Assemble the high pressure seal kit and brass retainer to the rear inner bore of the rotating bearing, be careful with the assembly direction.  (see the photo). Fasten the gland nut, be careful that it can not be fastened too tight, make sure the pin can get through and rotate easily.

5. Assemble the rotating bearing and rotating head properly with wrench. Assemble magnetic reducer, speed controller, locking ring to the rotating bearing, fasten the locking ring and then assemble the O-ring, then assemble deep groove ball bearing.  Both sides are OK.

6. Get the rotating shroud out and put the cartridge first and make sure it is in the right direction, then assemble the stainless steel bushing, then the brass bushing.  Assemble the rotating shroud to the rotating bearing, make sure the outer screw and the thread of the rotating shroud fit well and then fasten them tight with wrench.

7. Assemble the O ring and seal to jetting nozzle.

8. Assemble the seal and O ring on the connection seal.

9. Insert the assembled jetting nozzle (Step 7) and the assembled connecting seat(Step 8) inside the fasten seat in turn. Then install the assembled fasten seat into the hole at the end of the jetting cover and then install the large O-ring.

10. Assemble the nozzle in the 4 holes of swivel head, then tighten them with a wrench.

11. Assemble the jetting cover then tighten the screw on cover.

Assembly of SC ROTATING SURFACE CLEANING TOOL is finalized.

■Speed Control:

Factory setting is the medium speed rotation mode, the highest speed mode is 20, 21 position interchange, and the slow speed adjustment mode is based on the original factory medium speed mode, adjust 17 to the front inner groove of 16.

■Replacement method of wearing parts

Common parts are jetting nozzle 32, O ring 13, retainer 15, HP seal 14.

Factory gen

Analysis of common faults

1. The swivel head can not rotate.​

Reasons:

1).​ The high pressure seal is stuck.

2).​ Internal bearing damage

3).​ Nozzle is blocked or the nozzle aperture size is worn inconsistent.

2. Working pressure drops;

1). ​the nozzle is damaged.

2).​ The high pressure seal is worn.

3).​ O-ring, flat pad damaged.

Safety precautions:

1.​ The operator should wear the labor protection equipment correctly!

2. Operators should be trained in professional knowledge and familiar with the potential dangers (cutting force, recoil force, etc.) of high-pressure water jet cleaning!

3.​ If the fault is found during work, it is necessary to relieve pressure, check and maintain after shutdown!

SC SELF-ROTATING SURFACE CLEANING TOOL DISASSEMBLY

1. SCREW

2. SHIELD

3. NOZZLE

4. SWIVEL HEAD

5. FLAT WASHER

6. O-RING

7. OIL FILLER HOLE

8. CAP

9. OIL SEAL

10. BEARING

11. BEARING

12. ROTATING SHAFT

13. O-RING

14. HP SEAL

15. RETAINER

16. GLAND NUT

17. SPEED-ADJUSTING RING

18. MAGNETIC REDUCER

19. RETAINING RING

20. O-RING

21. BEARING

22. STAINLESS STEEL SLEEVE

23. SLEEVE

24. O-RING

25. BODY

26. O RING

27. OIL SEAL

28. INLET SEAT

29. RETAINER SEAT

30. FLAT WASHER

31. O-RING

32. GUN PIN

33. FLAT WASHER

34. O-RING

35. CONNECTING SEAT

36. O-RING