DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 06 revised release October 2021
20 On chassis welded ground stud – M6-1 stud 106 lb-in (12 Nm)
On chassis welded ground stud – M10-1.5 stud 170 lb-in (19 Nm)
21 Evaporator fan motor ground cable stud – M8-1.25 stud 170 lb-in (19 Nm)
22 Main electrical shut-off switch (Kissling type) – M12-1.75 stud 166-183 lb-in (19-21 Nm)
23 Circuit breaker (manual reset) 1/4-28 stud nut 58 lb-in (7 Nm)
24 Circuit breaker (switchable, manual reset) 1/4-24 stud nut 58 lb-in (7 Nm)
25 Ultracapacitor starting module 1/2-13 power studs 180 lb-in (20 Nm)
Ultracapacitor starting module 3/8-16 12V power stud 212 lb-in (24 Nm)
26 Bus bar, chassis ground stud, M10-1.5, ultracap starting module 240 lb-in (27 Nm)