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7664292 Guascor biogas spark plug (Siemens S7664761)

Guascor spark plugs / Siemens spark plug

Guascor biogas spark plug - Siemens biogas spark plug

 

This biogas spark plug is specially designed for the Guascor SFGLD biogas engines, but also can be used in the Guascor SFGM series. New part number Siemens S 76.64.761

Spark Plugs Replacement Guide

    1200rpm 1500rpm 1800rpm
REF HOURS REFERENCE DOCUMENT HOURS REFERENCE DOCUMENT HOURS REFERENCE DOCUMENT
FG/ FGLD natural gas 76.64.291     1250 IO-G-M-00-073 1000 IO-G-M-00-074
76.64.375     5000 4000
FG/ FGLD biogas (*) 76.64.292     1250 IO-G-M-00-073 1000 IO-G-M-00-074
76.64.375     5000 4000
SFGLD natural gas 76.64.375 4500 IO-G-M-00-067 3750 IO-G-M-00-065 3000 IO-G-M-00-066
SFGLD natural gas ISLAND 76.64.375 7500 IO-G-M-00-057 6000 IO-G-M-00-038 4500 IO-G-M-00-058
SFGLD natural gas PRIME 76.64.292         1000 IO-G-M-00-061
SFGLD natural gas STAND-BY 76.64.292         1000 IO-G-M-00-019
SFGLD biogas (*) 76.64.292 1250 IO-G-M-00-067 1000 IO-G-M-00-065 1000 IO-G-M-00-066
76.64.375 4500 3750 3000
SFGLD natural gas LCR 9,3:1 76.64.292 1250 IO-G-M-00-034 1000 IO-G-M-00-024 800 IO-G-M-00-035
76.64.375 5000 4000 3200
SFGLD natural gas LCR 8:1 76.64.292     2000 IO-G-M-00-024 1600 IO-G-M-00-035
SFGLD syngas (**) 76.64.292 800 IO-G-M-00-042 700 IO-G-M-00-003 600 IO-G-M-00-043
76.64.375 4000 3500 3000
SFGRD natural gas 76.64.292         1000 IO-G-M-00-062
SFGRD natural gas PRIME 76.64.292         1200 IO-G-M-00-063
SFGRD natural gas STAND-BY 76.64.292         1000 IO-G-M-00-064
HGM natural gas 76.64.604 3500 IO-G-M-00-072 3500 IO-G-M-00-070 3500 IO-G-M-00-071
HGM biogas 76.64.604 3500 IO-G-M-00-072 3500 IO-G-M-00-070 3500 IO-G-M-00-071
SFGM natural gas 76.64.685     3000 IO-G-M-00-068 3000 IO-G-M-00-069
SFGM natural gas ISLAND 76.64.685     4800 IO-G-M-00-051 4800 IO-G-M-00-059
SFGM biogas 76.64.685     3000 IO-G-M-00-068 3000 IO-G-M-00-069
SFGM propane 76.64.356     3000 IO-G-M-00-040 3000 IO-G-M-00-041
SFE ethanol 76.64.292         4800 IO-L-M-00-001

In case the engine is operating at variable speed always select your spark plugs in reference with the highest speed range.

(*) In case the variation of the LHV of the utilized biogas exeeds 10 per cent it is recommended to used 76.64.292 (S7664761) spark plugs.

(**) In case of very contaminated gas it is recommended to use 76.64.292 (S 76.64.761) spark plugs.

 

Verified 2021 February