Fault Phenomenon: XCMG RP953 paver during heating, a strong gas smell is detected, unable to ignite.
Troubleshooting Process:
– Checked lines: rubber hoses aged and cracked.
– Checked fittings: quick-connect fittings seal failed.
– Checked valves: manual valve stem leaking.
– Checked for leaks: soap water test confirmed leak point.
Root Cause: The LPG rubber hoses for the screed heating system aged and cracked due to long-term high-temperature exposure, causing gas leakage.
Required Parts: Replace with high-temperature resistant gas hoses.