Hypertherm EcoSift, Operator'S Manual

Page: 96 / 188

Preventive maintenance
Preventive main
tenance
96 EcoSift Operator Manual 809500
Repair a diaphragm pump
Required parts, tools, and materials
Keep spare parts available so that they are ready when required. To order parts, refer to the
Parts
section,
which begins on page 113.
Do this task when the EcoSift is not operating.
Remove a pump from the EcoSift unit
1. Disconnect the inlet hose, the discharge hose, and the compressed air hose.
2. Use a hex key wrench to remove the 4 bolts on the base of the pump.
3. Drain the water from the pump.
WARNING
Before doing maintenance or repair procedures:
• Isolate all sources of electric, mechanical, hydraulic, pneumatic, chemical, thermal, and other
energy with a lockable energy-isolating device that meets local and national requirements.
• Release all water pressure from the pumps before starting maintenance or repairs.
• Bleed down and lock out compressed air sources. Compressed air systems do not always
depressurize when other power is disconnected.
Refer to page 66 for more information.
WARNING
Compressed air is an energy source that can discharge with force. Use care when connecting and
disconnecting this energy source.
Obey local regulations when discarding parts, materials, abrasive, and wastewater. Refer to
Recycling and end of product life
on page 110.
Repair or replace parts identified in the preventive maintenance schedule or if the parts are
defective, deteriorated, corroded, or damaged.
1-16475 Wet-end seal replacement kit Torque wrench
3.05 N∙m to 8.47 N∙m (27 lbf∙in to 75 lbf∙in)
1-16476 Air-end seal replacement kit
13186 Antiseize bolt lubricant (white lithium grease) Impact wrench
Two 3/4-inch wrenches or
2 ratchets with 3/4-inch sockets
Needle nose pliers
Snap ring pliers
1/2-inch wrench or
ratchet with a 1/2-inch socket
O-ring pick
Electrical tape or
section of heat shrink tubing 3/16-inch hex key wrench
6 mm hex key wrench Marking pen
3/16-inch hex driver bit Rubber mallet
3/4-inch impact socket Vise with nonmarring jaws