3M Versaflo V-500E Gebrauchsanweisung Seite 65

MAINTENANCE
Maintenance, servicing and repair must only be carried out by properly
trained personnel. Use of unapproved parts or unauthorised
modification could result in danger to life or health and can
invalidate any warranty. If disposal of parts is required this should be
undertaken in accordance with local health and safety and environmental
regulations.
WHAT WHEN
General Inspection Before use
Monthly if not in regular use
Cleaning After use
Replacement of filter At least every 6 months
A maintenance record should be kept to comply with AS/NZS1715. This
record should be kept for at least 5 years.
FILTER REPLACEMENT - See Figure 1 (A and B)
FAULT FINDING
Symptom Possible Cause
No Airflow 1. External air supply turned
off
2. Compressed air supply
tube blocked or trapped
3 . Unit defective
Low air flow 1. Low external air supply
(whistle pressure or flow
sounding) 2. Aircare – Air filtration unit
blocked (if used)
3 . Unit defective
4. Regulator filter blocked
5. Whistle characteristic
Odour Detected 1. Regulator filter saturated
2. Aircare – Air filtration unit
requires maintenance (if
used)
3. External air supply
contaminated
4. Headtop poorly fitted or
damaged
STORAGE AND TRANSPORTATION
These products should be stored in the packaging provided in dry, clean
conditions away from direct sunlight, sources of high temperature, petrol
and solvent vapours. Do not store outside the temperature range -10°C to
+50°C or with humidity above 90%. When stored as stated, the expected
shelf life of the product is 5 years from date of manufacture. The original
packaging is suitable for transporting the product.
TECHNICAL SPECIFICATION
(Unless otherwise stated in the Reference Leaflet)
Respiratory Protection
EN14594
Nominal and Assigned Protection Factors: please see relevant Headtop
User Instructions
Inlet Pressure
Pressure Range: 3.5 - 8.0 bar
Maximum pressure: 10 bar
Outlet Flow Characteristics
Manufacturers Minimum Design Flow (MMDF) 170 l/min
Manufacturers Maximum flow 305 l/min.
Operating Conditions
-5 to +40ºC and <90 % humidity
Weight
V-500E = 514g
Inlet and auxiliary outlet port
1/4 inch BSP thread
Compressed Air Supply Tube (CAST)
Standard Duty to EN14594 'B' and EN270
Maximum length (CAST): 30 metres
Maximum number of in-line couplings: 2
Maximum safe working pressure: 10 bar
Maximum pressure rating: 30 bar
Light Duty to EN14594 'A' and EN1835
Maximum length (CAST): 10 metres
Maximum number of in-line couplings: 1
Maximum safe working pressure: 10 bar
Maximum pressure rating: 20 bar
Remedy
1. Turn on supply
2. Check supply tube
3. Replace unit
1. Check supply
pressure and flow
2. Check Aircare unit
3. Replace unit
4. Change filter
element
5. Disconnect, then
reconnect the
compressed air
supply tube at >3.5
bar pressure
1. Change filter
element
2. Check Aircare unit
3. Check quality of
external supply
4. Refit or replace
headtop
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