Generac PRIMEPACT 70 — Testing the LP Gas System for Leaks
Installation · LP gas fuel system
For the Generac PRIMEPACT 70, from the Generac owner's manual.
Applies to: Generac PRIMEPACT 70, Generac GN-480 engine
Before you start
- DO NOT USE ANY FLAME TO TEST FOR LEAKS.
- Gaseous fuel lines between tank and secondary regulator are under positive pressure; outlet side of secondary regulator is negative pressure and can draw flame into a line or fitting causing an explosion.
Procedure
- Obtain a separate source of 12 volts DC to open the gaseous fuel solenoid valve.
- Test all connections, hoses, valve regulators, fittings and other fuel system parts.
- Test under gas or air pressure of not less than 90 psi (620 kPa).
- Use soap and water or an equivalent solution to check for leaks.
- Do not place the generator into service until the system is properly tested.
Tools required
- Soap and water solution Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Leak test pressure not less than 90 psi (620 kPa)
- NFPA Paragraph 318
Full service-parts list: Generac PRIMEPACT 70 →
Source: Generac owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.