1972 Ski-Doo Shop Manual, Page 120Get this manual
116-02 4Remove the spring assembly from the skiOn 18" track models, remove main leaf spring5Remove the spring slider cushion from the front bracket (fig116-4)INSPECTION
SKI SYSTEM
1Check that ski runner shoes are not worn more than half ('Yz) of their original thicknessIf worn beyond that extent, replace the shoes
ASSEMBLY
(15" track and Valmont and Alpine models)1Prior to Assembly procedure, ensure all components are clean and all defective parts have been repaired or replaced
2On the keel side of ski, insert the runner ends into the ski slotsPush the runner shoe stud into hole of ski and secure shoe to ski with appropriate nut3To assemble leaf springs refer to appropriate exploded view: Elan(fig1-16-6)Olympique300335(fig1-16-7)Olympique 335E, 399 and 399E(fig1-16-8)T'NT 15"(fig1-16-9)Alpine and Valmont(fig1-16-10)NOTE: On 15" track models except Valmont and Alpine, the spring coupler has threaded holeTherefore, the coupler must be positioned so that the thread is on the left side of the right hand ski and vice-versa for the left hand ski