Generac PowerPact 5.6 kVA 50 Hz — Test 70 - Check and Adjust Valves
Adjustments · Valve train
For the Generac PowerPact 5.6 kVA 50 Hz, from the Generac service manual.
Applies to: Generac PowerPact 5.6 kVA 50 Hz
Procedure
- Ensure the engine is cool before checking.
- Remove spark plug wire and position it away from the plug.
- Remove the spark plug.
- Rotate the engine clockwise until piston is at TDC compression stroke.
- Remove the four screws attaching the valve cover.
- Loosen rocker jam nut; set clearance with a feeler gauge.
- CorePower: intake 0.005-0.007 in; exhaust 0.007-0.009 in.
- PowerPact: intake and exhaust 0.002-0.004 in.
- Tighten jam nut to 70 to 106 in-lbs; recheck clearance; install new gasket.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- CorePower intake 0.005-0.007 in (0.13-0.17 mm)
- CorePower exhaust 0.007-0.009 in (0.18-0.22 mm)
- PowerPact intake and exhaust 0.002-0.004 in (0.05-0.1 mm)
- Rocker arm jam nut 70 to 106 in-lbs
Full service-parts list: Generac PowerPact 5.6 kVA 50 Hz →
Source: Generac service 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.