Related Manuals for AVK 29/288 Series
Summary of Contents for AVK 29/288 Series
- Page 1 AVK UNDERGROUND FIRE HYDRANT 29/288 OPERATION & MAINTENANCE MANUAL The designs, materials and specifications shown are subject to change without notice due to our continuing programme of product development. AVK UK Limited OM180907...
- Page 2 OPERATION: This series of screw-down Squat fire hydrants are suitable for use with clean water and neutral liquids, to a maximum temperature of 70°C. Minimum liquid temperature must be above freezing. Insulation is essential for external temperatures of 0°C and below to a limit of -10°C. They are rated for a maximum working pressure of 16 Bar unless otherwise agreed and deliver a minimum of 2000 litres per minute at 1.7 Bar gauge.
- Page 3 1. PROCEDURE for Replacement of STEM SEALS & POLYAMID NYLON BUSH Safety Precaution : This procedure must NOT be carried out with the hydrant under pressure. TOOLS REQUIRED: 5mm and 6mm A/F Hexagon Allen Key. Slot headed screwdriver or thin blade Adjustable spanner, flat spanner or socket 17mm A/F 1) Remove plastic insert (1) by prising out using a thin blade.
- Page 4 Fit bonnet (12) into Body (21) ensuring the 'O' ring (13) remains in position. When correctly aligned the plain face on the bonnet (12) should be in line with the outlet. Refit screws (15) and washers (16) and tighten. Remove dust cap (17) from outlet (18) Test hydrant as described on page 6.
- Page 5 4. Procedure for replacement of AUTOFROST VALVE SAFETY PRECAUTIONS: Ensure hydrant is closed prior to commencing procedure. TOOLS REQUIRED: Short (stubby) screwdriver Special fitting tool (C7322/161) Tee Key (or large adjustable spanner) PROCEDURE FOR REMOVAL AND RE-ASSEMBLY 1. Remove the dust cap (17) from outlet (18). 2.
- Page 6 8 Rushmills, Northampton, Chesterfield, S43 3FH, England, UK. NN4 7YB England, UK. Tel.: +44 (0) 1246 479 100 Tel.: +44 (0) 1604 601 188 Fax.: +44 (0) 1246 479 200 Fax.: +44 (0) 1604 604 818 AVK UK Limited AVK UK Limited...
- Page 7 8 Rushmills, Northampton, Chesterfield, S43 3FH, England, UK. NN4 7YB England, UK. Tel.: +44 (0) 1246 479 100 Tel.: +44 (0) 1604 601 188 Fax.: +44 (0) 1246 479 200 Fax.: +44 (0) 1604 604 818 AVK UK Limited AVK UK Limited...
- Page 8 8 Rushmills, Northampton, Chesterfield, S43 3FH, England, UK. NN4 7YB England, UK. Tel.: +44 (0) 1246 479 100 Tel.: +44 (0) 1604 601 188 Fax.: +44 (0) 1246 479 200 Fax.: +44 (0) 1604 604 818 AVK UK Limited AVK UK Limited...
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