498 RETREADING // ENVELOPES Envelope Expander, Inside Envelopes Envelopes NUMBER OF ENVELOPES REQUIRED • Ideally, a shop needs enough envelopes so that an envelope never has to be put on a tire until it has reached room temperature. • For each chamber in use you would need enough envelopes for tires in the chamber, tires on the mono-rail and tires being prepared for the mono-rail. • As the envelope size mix can change daily, this must be considered in the number required. INSTALLATION INSIDE/OUTSIDE SEALING SYSTEMS • Make sure that wicking pad straps are securely inside of tire. • Before removing the assembled tire from the envelope table, rotate the valve to the position required for mono-rail and chamber hook-up. • Once the tire is picked up and placed on the hook, it is recommended that the tire not be rotated. Rotating the tire on the hook with the weight of the tire and envelopes bearing down on the inner envelope could cause cuts and tears. • Perform regular checks of the tire holding platform and table for burrs and rough edges. TAKING ENVELOPES OUT OF SERVICE OUTSIDE ENVELOPES SHOULD BE TAKEN OUT OF SERVICE IF ANY OF THESE NOTED PROBLEMS OCCUR • Holes or tears are too large to repair. • Folds are created when drawing vacuum and can’t be moved up to a larger tire. • It has taken tread design patterns in the crown area. • It has developed small holes over the outside surface that is subjected to the chamber air pressure. • Has ozone cracks. 643-00750 BUYER'S GUIDE ASCOT SUPPLY CORPORATION SUPPLY CORPORATION ACCU FIT II/INNERLOPE INSIDE ENVELOPES ASCOT NO. 643-40001 MFG. NO. 40x8-24.5 643-40002 40x8-24.5 643-40003 38x8-24.5 643-40004 42x8-24.5 643-40005 42x8-24.5 OUTSIDE TIRE SIZE 4422 4223 4224 4422 4422 643-40006 44x10-24.5 4423 643-40007 42x10-24.5 4422 643-40008 42x10-22.5 4422 643-40009 44x12-22.5 4522 643-40010 643-40011 643-40012 643-40013 40X8-22.5 4219 44x10-22.5 4522 42x10-22.5 4422 38x8-22.5 643-40014 643-40015 643-40016 643-40017 643-40018 643-40019 35x8-22.5 40x8-22.5 38x8-22.5 35x8-22.5 42x8-22.5 42x10-20 643-40020 42x8-20 643-40021 643-40022 643-40023 643-40024 38x8-20 643-40025 35x8-20 643-40026 35x8-19.5 643-40027 32x8-19.5 643-40028 29x7-19.5 643-40029 29x7-19.5 643-40030 29x7-17.5 643-40031 643-40032 643-40033 35x8-17.5 32x8-17.5 31x6-17.5 643-40034 29x7-16 643-40035 27x5-16 8.25-15 HB 643-40038 7.50-15 HB 44x12-20 40x8-20 42x10-20 3822 4224 4224 3822 4422 4422 4423 4522 4224 4422 4023 3822 3521 3521 3218 3218 3117 3822 3521 3218 3218 2916 643-40036 10.00-15 HB 3521 643-40037 3218 3117 4023 305/75R24.5 Deep Lug 305/75R24.5 285/75R24.5, 275/80R24.5 12R24.5 11R24.5 12.00R24 11.00R24 455/55R22.5 445/65R22.5 18R22.5 445/50R22.5, 315/80R22.5, 305/85R22.5 425/65R22.5 16R22.5 385/65R22.5 15R22.5 305/75R22.5, 305/70R22.5, 295/80R22.5, 295/75R22.5, 275/80R22.5 275/70R22.5, 265/75R22.5, 255/80R22.5, 255/70R22.5, 245/75R22.5, 235/80R22.5 12.75R22.5, 12R22.5, 10.00R22 11R22.5, 10R22.5 9R22.5 11.00R22 365/80R20 14/80R20 14.00R20 13/80R20, 11.00R20, 10.00R20 12.00R20 9.00R20 8.25R20 305/70R19.5 285/70R19.5, 265/70R19.5, 24570/R19.5 225/70R19.5 8R19.5 245/70R17.5, 215/75R17.5 11R17.5 10R17.5, 9.5R17.5, 9R17.5 7.50-17 245/75R16, 235/85R16, 215/85R16, 7.50R16 225/75R16 10.00R15 8.25R15 7.50R15 Envelope Spreader Available. Call for Details. RETREADING // ENVELOPES
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