Hypertherm HT400 Air Injected Water Muffler System - Manual (Page 21)

INSTALLATION
Page 2-10 Air Injected Water Muffler System
Instruction Manual
Install Check Valve
Parts required:
• Valve, check, # 034156
• Gland, hose 3/4 NPT X #12 straight (2), # 015052
• Clamp, hose 3/4 - 1-3/4 (2), # 015234
Install the check valve in-line on the pump discharge hose as follows:
1. Cut the pump discharge hose (Fig 2-3) as close to the nozzle assembly as
possible to install the check valve. (The check valve should not be installed
farther than 6 feet (1.8 m) from the nozzle assembly.)
2. Apply liquid pipe sealant on to the threads ofboth glands. Screw glands into the
ends of the check valve and tighten with wrench.
3. Slide the hose clamps over the ends of the discharge hose. Then slide each end
of the hose over the ends of the check valve. Slide the hose clamps over the
ends of the check valve and tighten. (The arrow on the check valve indicates the
direction of water flow and should point in the direction of the nozzle assembly.)
4. Perform the Installation Checkout again to ensure proper water muffler operation.
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