To light your pilot for SPK 26 valve [and also APK-17 Remote control is also very similiar] for VENTED GAS LOGS by RH Peterson-
SPK-26 from RH Peterson on Vimeo.
SPK 26 Valve:Â Â Manual Control Valve for Vented Gas Logs by RH Peterson
APK 17 Valve:Â Remote Control Valve for Vented Gas Logs by RH Peterson
see page 11-13