Pellet fueled grill without cleanout port

In a cooking grill that has a grate for supporting food to be cooked and a pellet fuel combustion unit beneath the grate with a combustion housing supporting a combustion chamber where pellet fuel is burned to ash, the improvement comprising:

• an access opening formed in a bottom panel of said combustion chamber, said access opening disposed substantially directly beneath said combustion chamber;
• an access door dimensioned to entirely close said access opening;
• a pull link assembly for translating said access door in a longitudinal direction from a first position in which said access opening is blocked to a second position in which said access opening is open to allow accumulated ash in said combustion chamber to fall therethrough;
• said pull link assembly including a pull rod extending from said access door in said longitudinal direction, and a knob secured to a distal aid of said pull rod;
• said cooking grill including a pair of opposed side walls, a pellet supply bin secured to one of said side walls, and said pull rod protruding from the other one of said pair of sidewalls of said cooking grill;
• a stop catch mechanism secured to said other sidewall adjacent to said pull rod and disposed to releasably engage said pull rod;
• said stop catch mechanism including plate having a clevis opening adjacent to said pull rod, and an annular detent recess formed on said pull rod and disposed to be engaged by said clevis opening.