| 摘要 |
PURPOSE:To prevent damage of a glow plug by interrupting the after-glowing in case any other power device is put in operation than the running system such as PTO device, oil-hydraulic device for lift and sink of working machine, etc. CONSTITUTION:If a PTO change lever 17 or a working machine lifting/sinking lever 19 is shifted to the On side during heating of glow plug, a switch 17a or 19a is actuated to shut current supply to the glow plug 7. Thereby current to the glow plug is shut off automatically if a great load is applied to the engine during red heating of glow plug, so that heat damage to the glow plug can be prevented to ensure enhancement of durability. |
