144TROUBLESHOOTINGTo Lower the Boom3. Put mark (M) on the plug of the port reliefvalve (2) and set screw (3).4. Gripping the set screw (3) with ahexagonal wrench so that it does not turntogether with the lock nut (4), loosen thelock nut (4).5. Turn the set screw (3) slowly 1/2 (TB145 :1 and 1/3) turns to lower the boom.TB145 : Serial No. 14514824 ~Turn the set screw (3) slowly one turn tolower the boom.6. Check for safety and machine stability.7. Turn the set screw (3) back to its originalposition.8. Gripping the set screw (3) with ahexagonal wrench so that it does not turntogether with the lock nut (4), tighten thelock nut (4).Tightening torque:• TB125 · 135 20 N·m (14.5 ft-lb.)• TB145 27.5 to 31.4 N·m(20.3 to 23.1 ft-lb.)9. Reinstall the cover and floor mat.If the hoe attachment must be lowered tothe ground while the engine is stopped, usethe following procedure to do so.This operation is dangerous and requiresexperience. Have it performed by a Takeuchisales or service outlet.When equipped with accumulator (option):Refer to page 232 “Accumulator”.ProcedureWARNING¡¡¡¡¡Do not approach in the area of theground where the hoe attachment is tobe lowered. You may be hit by dirtfalling out of the bucket or the hoeattachment as it drops.¡¡¡¡¡Turn the port relief valve’s set screwslowly so that the boom lowers slowly.Do not turn the screw more than thespecified amount.1. Remove the floor mat (5).2. Loosen the bolts and remove cover (1).2251E5J001
