VHT37EXP Original instructions Table of contents Instructions for use ......................2 Operator’s safety ..........................2 Operator Safety ..........................2 General information for using the vacuum cleaner ................2 Proper uses ............................. 2 Improper use ........................... 3 Applications ............................. 3 General recommendations ......................3 Vacuum cleaner description...................4 Vacuum Cleaner Parts and Labels ....................
VHT37EXP Instructions for use READ ALL THE OPERATING INSTRUCTIONS BEFORE USING THIS EQUIPMENT. Comply with the important safety recommendations identified by the word WARNING! Operator’s safety appliance is equipped with a cord that has an equipment- grounding conductor and grounding plug. The plug must be Before starting the machine, it is absolutely essential to inserted into an appropriate outlet that is properly installed read these operating instructions and to keep them on...
VHT37EXP Improper Use Versions HEPA WARNING! The following use of the vacuum cleaner is strictly This vacuum cleaner can be equipped with an absolute forbidden: (HEPA) filter for vacuuming dust hazardous to one’s ■ Outdoors in case of atmospheric precipitation. health.
VHT37EXP Vacuum cleaner description Vacuum Cleaner Parts and Labels Optional kits Figure 1 Please contact the manufacturer’s sales network for information on options. Data plate which includes: • Manufacturer’s name and address Instructions for installing the options are included in the •...
VHT37EXP Packing and unpacking Setting to work - connection to the power supply Dispose of the packing materials in compliance with the laws in force. Figure 2 WARNING! ■ Make sure there is no evident sign of damage to the vacuum cleaner before starting work. MODEL lbs.* ■...
VHT37EXP Extensions Dry applications If an extension cord is used, make sure it is suitable for the power input and protection degree of the vacuum cleaner. [ NOTE ] The supplied filters must be installed correctly. WARNING! The vacuum cleaner’s power socket must be protected by a differential circuit-breaker with surge current WARNING! limitation that shuts off the power supply when the...
VHT37EXP Technical data Parameter Units VHT37EXP Frequency Voltage, 3-phase Current draw 11.2 Power rating @ 60 Hz HP (kW) 5 (3.7) Noise Level, @ 3’ 3” (1 meter) ISO 3744 dB(A) Motor insulation class Class 13 (50) Container capacity gal. (L) 26 (100) Inlet diameter Max vacuum (controlled)
VHT37EXP Safety devices Starting/stopping the vacuum cleaner Figure 5 Figure 8 Regenerative blower Pressure relief valve WARNING! Lock the caster brakes (1) before starting the vacuum Check valve (Clapet) cleaner. WARNING! Do not tamper with the pressure relief valve setting. Standard version ■...
VHT37EXP Shaking the primary filter Maintenance, cleaning and decontamination Figure 9-10 Depending on the vacuumed dust quantity and if the pointer of the vacuum gauge switches from the green zone (3, Fig. 9) WARNING! to the red zone (2, Fig. 9), turn the vacuum cleaner off and The precautions described below must be taken shake the main filter using the knob (1, Fig.
VHT37EXP Primary and absolute filter disassembly Upstream absolute filter replacement and replacement Version for dust harmful for the health WARNING! WARNING! When the vacuum cleaner is used to vacuum Take care not to raise dust when this operation hazardous substances, the filters become is carried out.
VHT37EXP Motor cooling fan inspection and cleaning Wiring diagrams Figure 18 WARNING! These operations can only be carried out by trained Item Type Description Qty. and qualified personnel. 4083901574 Under voltage release 460V 60Hz 4083901573 Periodically clean the motor cooling fan to prevent the motor from overheating, especially if the vacuum cleaner is used in 4083901574 Under voltage release 220V 60Hz...
VHT37EXP Recommended spare parts The following is a list of spare parts that should be kept ready at hand in order to speed up maintenance operations. Refer to the manufacturer’s spare parts catalog when ordering spare parts. Please contact the manufacturer’s sales network when seeking spare parts for special machine variants or options.
Article 100 of the National Electric Code (NEC – NFPA 70) has determined this specific type of vacuum equipment is suitable for use in the intended applications and hazloc rated environments. Nilfisk-Advance, the product manufacturer, is not an AHJ and cannot approve any particular EXP vacuum product for any specific application or use. It is the purchaser’s and the intended user’s responsibility to ensure that the vacuum is used properly as described in the instruction manual and in...
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VHT37EXP WARNING: Explosion Proof Plug Installed Shall Be Certified And Be Suitable For The Hazardous Area That The Vacuum Is Installed In AVVERTISSEMENT: Une Fiche Antideflagrante Installee Sera Certifiee Et Conforme Aux Zones Dangereuses Ou' l'Aspirateur Est Installe' 02/2013 C397 WARNING:TO REDUCE THE RISK OF ELECTRIC SHOCK - DO NOT USE OUTDOOR AVERTISSEMENT: AFIN DE REDUIRE LE RISQUE DE SHOCKS ELECTRIQUES-...