Assembly sequence for 4128-005 pump tools required; 14 mm A/F Spanner or adjustable wrench 3. Fit Base plate (push down to seat on block) 2. Remove lock ring 1. Remove from carton 4. Replace lock ring (tighten by hand. 5. Attach handle Do not use tools) 6.
Assembly sequence for 4128-555 pump tools required; 14 mm A/F Spanner or adjustable wrench 2. Remove lock ring 3. Fit Base plate (push down to seat on block) 1. Remove from carton 4. Replace lock ring (tighten by 5. Attach connecting hose (tighten using 6.
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.
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.
(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...
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 2. Refer to page 4 and follow the steps 8 to 11 after emptying out the old medium and cleaning the canister where required.
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.
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: Z4128-201 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.
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...
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