Pentax MX Service Manual page 6

50. Coupler gear assembly (0-C222)
51. Rewinding actuator lever assembly (0-C241)
a.) CNL-B 1.4 x 2.0
b.) Spring retainer.(C243)
c.) Rewinding actuator lever spring (C242)
d.) 0-C241
52. Bottom mec.plate assembly (C200)
a.) Stopper pole (C267) — CNS 1.7 x 2.5
b.) Coupler guide (C268)
c.) C200
d.) Sprocket (C236)
Coupler gear retainer screw (C226) — left handed
23800 5 /36