W-15 Service and Maintenance

Regular maintenance

The W-15 range filter requires periodic checking to ensure optimum performance. This involves checking for water, particulate and gasket constancy as listed below.

 

Daily Monthly 6 monthly (twice a year)

Visual check for water

(drain if required)

Check gasket/seal constancy Check/replace filter element

Visual check for contamination

(service if required)

  Check/replace gaskets/seals

 

Diagram

w 15 diagram

Spares

Item Part No Part location on diagram
100mic stainless steel element W60450/01 f
Seal kit W0140800004 c, e, a, h, l, m, p
Air bleed valve WHV-TE6x10 d
Drain plug W-2254 q
Clear bowl WB2271 n
Aluminium gasket for port plug W24555 j

 

Servicing 

 

NOTE

 note icon Before any servicing is carried out, please ensure the system is isolated from the fuel supply. 
   
You will need:  
 spanner
  • 1x 10mm torque wrench set to 1.5Nm
  • 1x 10mm spanner
  • 1x 14mm Spanner
  • Gloves
   
You may need:  
 spanner
  • Replacement seal kit
  • Replacement filter element
     

 

Draining Water

  1. Isolate the filter from the fuel supply (close external ball valves) w 15 air bleed
  2. Using a 10mm spanner, open the air  bleed valve (d) on the top of the unit
  3. Place a suitable container under the drain plug (q) and wait for the water and dirt to settle to the bottom of the bowl (n)
  4. Turn the drain plug (q) in an anti clockwise direction until the fluid begins to flow
  5. Drain the water/dirt from the bowl (n)
  6. When fuel begins to emerge, close the drain plug (q) and wait for more dirt to fall down; repeat step 4 -5 until bowl (n) is clear of dirt and waterw 15 drain tap turn
  7. Once all the water/dirt has been removed, close the drain plug (q) and the air bleed valve (d)
  8. Remove the isolation of fuel (open external ball valves)
  9. Restart fuel supply to the filter

 

Changing or cleaning a filter element

When changing the element, we recommend new gaskets at the same time

 

  1. Isolate the filter from the fuel supply (close external ball valves) changing element
  2. Follow the changing the bowl instructions (1 to 5)
  3. Completely empty filter of fuel
  4. Unscrew the brass nut (o) using a 14mm spanner (you may need to brace the central bolt (a) with a 10mm spanner)
  5. Remove the brass nut (o), seal (h) and element seal (g)
  6. Remove the filter element (f)
  7. Either clean the existing element (use a small amount of clean diesel), or replace with a new gasket
  8. Place the element (f) on the central bolt (a), with multiple holes at the top
  9. internal sealsPlace element seal (g) on to the central bolt (a)
  10. Place the 9mm brass nut seal (h) over the brass nut and hand tighten on the central bolt (a) under the element (f). Ensure the brass nut (o) penetrates the element (f) underside with the element seal (g) and brass nut seal (h) in between
  11. Brace the brass nut (o) with a 14mm spanner and tighten the central bolt (a) with a torque wrench to 1.5Nm
  12. Turn the bowl (n) onto the central bolt (a) by hand until it is tight
  13. Grasp the bowl (n) with your hand and tighten the central bolt (a) with a torque wrench to 1.5Nm
  14. Close the air bleed valve (d) and reinstate the fuel flow
  15. Remove the isolation of fuel (open external ball valves)

 

Changing seals

  1. Isolate the filter from the fuel supply (close external ball valves)
  2. Follow the changing the element instructions (1 to 6)
  3. There are 5 seals which can be replaced.
    • Bowl seal (l) is pressed into the aluminium filter head
    • Dispersion plate seal (m)this is pressed into the filter head by a metal washer (which does not need to be changed).
    • Air bleed seal (e) is accessed by unscrewing the air bleed valve
    • Filter head seal (c)this is pressed into the filter head by a metal washer on the central bolt (which does not need to be changed)
    • Element seal (g)fits on the bottom of the element
    • Brass nut seal (h)is placed over the brass nut
    • Drain plug washer (p)sits on the screw
  4. Re-fit all components in the reverse order (see changing the element instructions (6 to 1)
  5. Remove the isolation of fuel (open external ball valves)

Find out more about W-15 

Need help selecting a filter?

See our guide to help you select the most suitable filter for your needs.

Technical Support

How it works

See how the Separ filter works to separate water and particulate from fuel. 

SWK2000 flow diagram transparancy

How to Order

Call or email us to place your order. We accept ALL major credit and debit cards, bank transfer and also PayPal. 

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Expert advice

Unsure which spare parts you require? Or if a Separ filter will meet your requirements? 

Talk to our expert team. Call 01923 276 007

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Delivery options

We have a wide range of shipping options available to suit your destination and budget.

 

 

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Contact Us

3 Kingley Park, Station Road, Kings Langley, Herts, WD4 8GW

Tel: +44 (0)1923 276007

Fax: +44 (0)1923 267463

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