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CAUTION:  

This Nilfisk vacuum cleaner is not to be used in explosion-hazardous areas, as 

serious injury could result. 
 
Under no circumstances may this vacuum cleaner be used safely for the collection of hazardous 
or toxic materials unless equipped with a HEPA filter.  Be sure to install the HEPA filter according 
to Nilfisk’s written instructions. 
 

Do not use this cleaner for the removal of hazardous substances unless you are licensed and/or 
certified for this work by the all authorities having jurisdiction.

 

 
 

EMPTYING:  

If this vacuum cleaner is used to collect hazardous material, do not attempt to open 

or empty its contents without personal protective clothing and respiratory protection. This 
procedure must be completed in a contained environment.  Contact with the cleaner, filters and 
all other accessories used when picking-up hazardous materials must be handled according to 
federal (EPA, OSHA), state and local regulations valid for the vacuumed substance. 

 
 

ATTENTION EMPLOYER:

  Please ensure these instructions for Use are made available and 

understood by your employees or any other persons who may use this equipment. 
 
To list all toxic and hazardous materials would be beyond the scope of these instructions.  It is 
the Employer’s responsibility to identify, for Employee’s and others’ information, hazardous or 
toxic materials which may be collected by this equipment.  Such information must be 
communicated to your Employees and other potential users of this equipment. 
 
 

 
 

 Nilfisk-Advance America Inc. 
       300 Technology Drive 
         Malvern, PA 19355 
        Tel: 1.610.647.6420 
        Fax: 1.610.647.6427 
 www.pa.nilfisk-advance.com 

e-mail: 

email@nilfisk-advance.com

 

Instructions/Spare Parts Manual 

 

Nilfisk Model GWD255 
Drum Top Vacuum 

Summary of Contents for GWD 255

Page 1: ...ntact with the cleaner filters and all other accessories used when picking up hazardous materials must be handled according to federal EPA OSHA state and local regulations valid for the vacuumed subst...

Page 2: ......

Page 3: ......

Page 4: ...tton While you are waiting switch the machine off and unplug it Check the hose and filters to be sure that nothing is blocking the flow of air through the machine Service Information UNPLUG THE MACHIN...

Page 5: ...r can be added in place of the filter support see HEPA filter installation Wet Dry Collection Note If the machine is configured for dry collection remove the dry filter support 2 and dry filter 3 befo...

Page 6: ...gasket underneath If gasket is dirty or damaged replace it Installation Removal of Optional HEPA Filter EMPTYING If this vacuum cleaner is used to collect hazardous material do not attempt to open or...

Page 7: ...filter to the float chamber assembly Hold the filter by the end cap and gently twist the filter back and forth to separate the gasket from the float chamber Lift the filter off of the threaded stud an...

Page 8: ...angle so that the stream of water falls directly against the wire screen surface on the inside of the filter The force of the water should dislodge the dirt from between the folds of filter Rotate the...

Page 9: ...Parts Explosion Motor head Assembly...

Page 10: ...Parts List for Motor head Assembly Filter support for dry filter only M90023 2 Latch Keeper uses 6 x screw 2 2 Filter support for dry filter only M90023 2 Latch Keeper uses 6 x screw 2 2...

Page 11: ...mbly Optional HEPA filter mounting shown Item Description Part Number Quantity 1 GWD 255 motorhead complete M90036 1 2 HEPA Filter Optional 1408678500 1 3 Filter Support use with dry filter only 14086...

Page 12: ...01 1 3 Inlet 50mm 8 32177 1 4 Gasket Inlet 8 17005 1 5 Deflector Inlet 8 32314 1 6 Latch 1408199000 2 7 Hose Clamp 01703601 1 8 Tube Inlet 01786101 1 9 Screw 8 32 x 3 8 01789018 4 10 Nut 8 32 nylon lo...

Page 13: ...Float Chamber Assembly continued on next page 1 3 4 2 9 10 11 12 9 13 7 8 6 5...

Page 14: ...Screw 8 32 x 5 8 01788214 6 5 Washer 01789007 6 6 Nut 8 32 nylon lock 01763000 6 7 Bolt Carraige 5 16 x 2 1 2 01763910 1 8 Washer 01767202 1 9 Washer 01763126 2 10 Nut 5 16 01763075 1 11 Nut 5 16 nylo...

Page 15: ...OF PROFITS OR OTHER SIMILAR INDIRECT LOSSES WHICH MIGHT OCCUR AS A RESULT OF DEFECTS PARTIAL OR TOTAL FAILURE OF THE PRODUCT TO PERFORM AS SPECIFIED Correction of non conformities or defects in the m...

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