Assembly and User manual
Contents
1. Mill SS ra Britain ERNEST H HILL LTD SHEFFIELD www airriflepump com Hill Air Compressor Pump Assembly and User Manual 4128 005 and 4128 555 Models 4128 005 Contents Topic Assembly sequence for 4128 005 pump Assembly sequence for 4128 555 pump Hose End Connectors Using the Pump Maintenance Lubrication Dry Pac Replacement 4128 555 What is Dry Pac Dry Pac Environmental and Safety Information Accessories Service Kits Troubleshooting Page 2 Assembly sequence for 4128 005 DUMP tools required 14 mm A F Spanner or adjustable wrench 3 Fit Base plate push down to seat on block 1 Remove from carton 2 Remove lock ring 4 Replace lock ring tighten by hand Do not use tools 5 Attach handle 6 Attach connecting hose tighten using 14 mm A F spanner to prevent air leaks Fully assembled pump ready for use 7 Tighten bleed screw tighten by hand Do not use tools Page 3 Assembly sequence for 4128 555 DUMP tools required 14 mm A F Spanner or adjustable wrench 1 Remove from carton 2 Remove lock ring 3 Fit Base plate push down to seat on block 4 Replace lock ring tighten by 5 Attach connecting hose tighten using 6 Remove Dry Pac from carton hand Do not use tools 14 mm A F spanner to prevent air leaks 7 Unscrew and remove canister 9 Pour contents of 0 8 Unscrew and remove cap 10 Level using sachet into canister straight edge 12 Replace canisteron 13 Ins2. e fully saturated and require changing The Dry Pac should always be fixed in the vertical position but it can be rotated around the pump to the desired position How long does the Dry Pac medium last Our tests show that under average conditions the Dry Pac medium will be effective for up to four months In warmer and humid climates or for users who require optimum quality we recommend that the medium is changed every 2 3 months Although the Dry Pac medium principally works with flowing air it will continue to extract a small amount of moisture from still air Therefore we recommend that the medium is also changed if the pump has undergone prolonged periods of storage We do not include any dye markers in the material as a visible way to check how saturated the material has become These are unreliable and can have toxicity issues If there is evidence of any moisture when the pressure relief screw is released the material definitely needs changing Replacement of the Dry Pac medium The only replacement medium we recommend is the Hill medium product code 062128 56 This has been carefully researched and selected to give optimum performance Do not attempt to use or mix other absorbent materials such as silica gels or dyed markers These products have entirely different properties and will impair the correct functioning of the Dry Pac Regeneration There is currently no method of regenerating the medium in domestic circumstances The medi
3. ert location arm 14 Push down over o rings to location arm on tube contact with shoulder rotate to 11 Replace cap required position Page 4 16 Tighten bleed screw tighten by 15 Attach handle hand Do not use tools Fully assembled pump ready for use Hose End Connectors To attach connectors to the hose you will require two suitable spanners One to hold the hose and the other to firmly attach the connector This joint must be tight Page 5 Fully tighten hose connector joint using appropriate spanners DO NOT use thread seal tape or sealing washers Using the Pump 1 Ensure bleed screw has been tightened see 16 on page 5 2 Adopt a comfortable balanced stance 3 Keep back straight and flex knees to apply long steady strokes 4 During prolonged usage the body of the pump will become very warm Stop pumping and allow pump to cool down before continuing This will take several minutes 5 As the pressure increases the pump will require more force This is normal Page 6 6 Do not continue pumping if the pressure reaches 275 bar This is the maximum working pressure and is indicated on the gauge by a red bar do not pressurise into the red area 7 Slowly unscrew the bleed screw to release pump pressure Maintenance for 4128 005 and 4128 555 pumps Lubrication The pump requires very little maintenance but it is recommended that every 3 months the inner tube should be lubrica
4. idge a For optimum performance the Dry Pac should be EE renewed every 4 6 months depending upon usage The Dry Pac medium is vacuum packed and can be stored indefinitely providing the vacuum remains intact PartNo O06R20201 Test Plug Page 10 Troubleshooting 1 Pump becomes stiff to operate Lubricate pump in accordance with procedure on page 6 2 At 50 80 bar the pump becomes Piston seal kit required see page 9 If the difficult to pull upwards and springs pump is used regularly it would be better back down to service the whole pump using the Mk4 Full Service Seal Kit see page 9 Full instructions for fitting are supplied with the kits 3 Gauge needle bouncing up down Non return valve problem Service as required 4 Gauge steadily loosing pressure Bleed screw not tight enough Hose connections to pump and or rifle not tight enough Page 11
5. or direct connection to Walther or Diana Airgun Cylinders Direct connection to the end of the hose without bonded washers Part No Z2128 600 Quick Release Coupling Quick Release Coupling for fast connect disconnect of the hose or adaptor 1 8 BSP connections Note All adaptors must be fitted to hose and tightened using an appropriate spanner to prevent air leaks Page 9 Service Kits The Hill pump has been designed to enable user servicing and the following kits are available for this purpose Contact Hill for any other advice Part No Z24128 201 Piston Seal Kit Set of 3 x Piston Seals for MK4 Hill Pump The classic symptom of a problem with this seal is resistance on the upstroke and tendency to recoil back downwards The piston seal is the workhorse of the pump and it s life can be dramatically shortened by overheating and a lack of lubrication To maximise the life of this seal please follow the advice on pumping and lubrication in our instructions PartNo 24128 4011 MK4 Full Service Seal Kit Full Service seal kit for the MK4 Hill Pump Includes micron filter piston seal and all other seals PartNo O6R50023 Hi sy SILICONE All aS G REASE a www airrifiepump com KUL GE 2 ai Silicone Grease Part No 062128 56 Dry Pac Refill For all pumps with Dry Pac systems One sachet of praam em amana te Dry Pac medium for complete refill of Dry Pac cartr
6. ted using the silicone grease provided Raise the pump to the top of its stroke and squeeze out a small quantity of grease ipi aa SILICONE mes ae M a Smear the grease around the tube and slide the outer tube up and down a few times to evenly distribute it Use only a small amount of grease at any one time Do not use any other type of silicone grease on the pump Replacement tubes are available from Hill see website DO NOT USE PETROLEUM OIL OR PROPELLANT BASED PRODUCTS A AY Page Dry Pac Replacement for 4128 555 pumps It is recommended that the Dry Pac medium is replaced at intervals of 3 months 1 Unscrew Dry Pac canister and remove Refer to page 4 and follow the steps 8 to 11 after emptying out the old medium and cleaning the canister where required 3 Refit canister and ensure location arm is still in contact with shoulder What is Dry Pac Ambient air used by hand pumps contains varying amounts of moisture depending on temperature and relative humidity Dry Pac is a patented method of extracting that moisture before passing that air through our pumps How does the Dry Pac work As air is drawn into the pump it is forced to pass through and over a specially selected medium that attracts and removes water molecules from air This drier air is then passed through the pump and the second integral micron filter in the normal way The extraction is a one way process and eventually the medium will becom
7. um should always be replaced with a fresh sachet Do not attempt to heat or microwave the medium Page 8 Environmental The Dry Pac medium is an inert environmentally safe product As a synthetic copy of a naturally occurring product it can be disposed of in any normal waste treatment method It is non toxic chemical free and entirely safe to handle without protective equipment Normal precautions should be taken when handling or storing the medium within the vicinity of children and pets Although not harmful if swallowed it may cause the symptoms of very slight dehydration Dry Pac Medium Storage The Dry Pac medium is supplied in vacuum packed sachets with the optimum quantity to refill the Dry Pac cartridge Due to the nature of the medium ambient temperature may cause expansion or contraction of the foil container This is normal and has no detrimental effect on the life of the medium Heat will cause the foil to expand like a balloon cold will cause a shrink wrap condition Providing the foil sachet remains intact the medium will not be impaired under most storage conditions and can be stored for many months Accessories The following equipment is available from the Website Part No Z24128 640 MK4 Hill Pump Dry Pac Kit This kit is for the MK4 pump comes with everything you need including 1 sachet of DryPac Refill Part No Z2128 300 Din 200 Female Adaptor Part No 2Z2128 350 Walther and Diana Adaptor Adaptor f
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