Maintenance And Replacement
When Replacing Glow Plugs, Special Attention Must Be
Paid To The Followings Aspects:
●Leave to cool the engine;
●Make sure that the key for the starting of the engine is on off position;
●Dirt around the hole for the plug must not fall into the combustion chamber under any circumstances; glow plugs must be removed by using special plug box wrench;
●Glow plugs must be ftted by using special plug box wrench and tightened, if possible, by using a torque wrench;
●The power connection nuts for the electric connection of the glow plug, must be tightened to the correct torque. Otherwise,the glow plug may be damaged by excessive torque. This can result in irreparable damage to the plug (connecting stud shear or overheating due to closed annular gap);
Removing The Glow Plug
●remove the power connection nuts by using a plug box wrench (7mm or 8mm); by using a brush, clean the hollow around the glow plug without removing it; remove the glow plug with a plug box wrench (the key can vary from 3/8 to 21mm,according to the nut of the glow plug);
Glow Plug Installation
Recommended Torque Specification For BOLIN Glow Plugs:
●Use the correct wrench for the Glow Plug
●When changing glow plugs, make sure that oil, dirt etc. on the outside of the disassembled glow plug does not enter into the cylinder.
●When mounting the glow plug, clean the engine side of the flange and make sure the glow plug is correctly inline with the thread of the cylinderhead.
●Make sure the plug is correctly positioned and tighten it by hand until it cannot be tightened any further.
●Then, use a torque wrench to tighten it accurately to the torque showed in the chart below.