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ABB 3HNA013276-001 is a PPRU Channel 1 and 2 repair kit for the ABB PPRU three-channel unit. It supports booster repair for channel 1 or channel 2 and must match the documented ABB configuration.
This kit is intended for the documented PPRU channel-one or channel-two repair scope. Confirm the complete article number and the affected channel before opening the unit.
Compare the PPRU assembly, channel position and installed repair configuration with the supplied kit. Do not substitute a general valve or booster part by appearance.
Follow the applicable ABB paint-system service procedure, restore each connection and verify channel operation and fault diagnostics before return to service.
Engineering check: Use 3HNA013276-001 only for channel 1 or channel 2 of the documented three-channel PPRU. Isolate air pressure, identify the affected booster, and match seals, fittings and valve parts to the removed channel.
Acceptance test: Repressurize gradually, inspect all repaired joints for leakage and command the serviced channel across its operating sequence. Verify pressure build-up, exhaust response and independence from the other PPRU channels.