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Special Tomato Large Hi-Low MPS Service Manual

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Service Manual
Large Hi-Low MPS
Date Code: 01/16
(Location under seat pan)
01/16
Date Code
SMHLM(C5)01-16LIT

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Summary of Contents for Special Tomato Large Hi-Low MPS

  • Page 1 Service Manual Large Hi-Low MPS Date Code: 01/16 (Location under seat pan) 01/16 Date Code SMHLM(C5)01-16LIT...

  • Page 2: Table Of Contents

    Table of Contents MPS to Base Interface Bolt Replacement ......... . . 1 4-Bar Bolt Replacement .

  • Page 3: Mps To Base Interface Bolt Replacement

    1. MPS Base to Base Interface Bolt Replacement Remove MPS Tray, Foot Rest Assembly, and Arm Rests. Lower seat to floor by engaging pedal. (Weight in the seat may be needed to assist with lowering) Remove tilt release-head bolt. (Requires: 4mm Allen, 10mm Crescent Wrench) Rotate seat forward until seat touches floor.
  • Page 4 1. MPS Base to Base Interface Bolt Replacement (cont.) Raise the seat slightly so seat sits naturally at three points (Head Support and Armrest Supports) with all 4 wheels on the ground. This will assist with reassembly. (Tapping pedal once should level the seat) Unscrew Interface Bolt (Requires: 6mm Allen Wrench) Replace Interface Bolt with Provided Replacement Bolt Assembly.

  • Page 5: 4-Bar Bolt Replacement

    2. 4-Bar Bolt Replacement Remove the entire seat from base. (Refer to Procedure Remove desired 4-Bar Bolt. (Requires: 4mm Allen, 10mm Crescent Wrench) Replace with provided Bolt Assembly Hardware. (Requires: 4mm Allen, 10mm Crescent Wrench) Steps through (removing desired 4-Bar Bolt) are necessary to complete other repair and calibration procedures.

  • Page 6: Assist Piston Replacement

    3. Assist Piston Replacement Remove the entire seat from base. (Refer to Procedure Remove desired 4-Bar Bolt. (Refer to Procedure Use pry tool to release one piston head from ball joint by slightly lifting the retaining band as show below (do not completely remove retaining band). (Requires: Pry Tool) Repeat step on the other release-head to remove piston.
  • Page 7 3. Assist Piston Replacement (cont.) F. 1. Attach Release-head to ball joint. Using leverage of 4-Bar, push down to compress piston and align 4-Bar with yoke holes. Replace 4-Bar Bolt with provided Bolt Assembly. (Note: Piston tension may make this difficult for 1 person) Bolt may need to be hammered in with rubber mallet, be careful not to break plastic washers.

  • Page 8: Tilt Piston Replacement And Calibration

    4. Tilt Piston Replacement and Calibration Remove the entire seat from base. (Refer to Procedure Remove tilt piston attachment bolt. (Requires: 4mm Allen, 10mm Crescent Wrench) Engage Lock Pin to secure Tilt Lever in place.
  • Page 9 4. Tilt Piston Replacement and Calibration (cont.) D. 1. Unscrew release-head assembly. Jam-nut may need to be loosened. (Requires: 14mm Crescent Wrench) Install jam-nut and release-head assembly onto new piston. Screw release-head onto new piston until lever comes in contact with release pin. (Do not over-tighten) PISTON Bind jam-nut up against release-head to secure position.

  • Page 10: Tilt Lever Assembly Replacement And Calibration

    5. Tilt Lever Assembly Replacement and Calibration Remove the entire seat from base. (Refer to Procedure Remove the release-head assembly from piston (Refer to Procedure ). Lever can now be removed from release-head by disengaging the Tilt Lock Pin. Replace lever by inserting into release-head as shown. Reengage lock pin to hold lever in place. Follow steps through from Procedure...

  • Page 11: Lift Piston Replacement And Calibration

    6. Lift Piston Replacement and Calibration Complete Steps through from Procedure to remove the entire seat from base. Remove attachment bolt for the Lift Piston at Yoke End. (Requires: 4mm Allen, 10mm Crescent Wrench) Loosen jam-nut to allow piston to be unscrewed from release-head. (Requires: 14mm Crescent Wrench) Turn piston to remove it from release-head.
  • Page 12 6. Lift Piston Replacement and Calibration (cont.) Rotate back off the pedal to line up the mounting holes on the canister end to the release-head end. Lock the pedal with the Lift Lock Pin and depress the pedal. If the piston releases despite the lock being engaged, stop immediately and turn the piston back about ½...

  • Page 13: Foot Pedal Assembly Replacement And Calibration

    7. Foot Pedal Assembly Replacement and Calibration Remove attachment bolt. (Requires: 4mm Allen, 10mm Crescent Wrench) Disengage Lift Lock (shown above). (If the needs to be calibrated/replaced continue procedure. If not, proceed to step Unscrew Lift Lock Pull Pin from Mounting Tab. Jam-nuts may need to be loosened if replacement is needed.

  • Page 14: Caster Replacement

    7. Foot Pedal Assembly Replacement and Calibration (cont.) If pin needs replacement and/or calibration. Replace lock pin and nuts. End of pin should be positioned so that in the unlock position, the pin clears the pedal (shown below). Tighten jam-nuts to secure pin position.

  • Page 15: Tube Cap Replacement

    9. Tube Cap Replacement Remove tube cap by gently prying in gab between metal tube and plastic cap. (Requires Pry Tool) Replace cap with provided replacement part. Part pushes into tube with no tools. 10. Strapping – Upper Strap Replacement (Shoulder/Midsection) 10.1 Upper Area A.
  • Page 16 10. Strapping – Upper Strap Replacement (Shoulder/Midsection) (cont.) Release Siamese Clip and remove from both strap loops. Engage the release on the buckle to pull the shoulder straps out. 10.2 Lower Area Under the seat pan unscrew Strap Attach bolt under seat pan to release Midsection strap. (Requires: 4mm Allen, 10mm Crescent Wrench) 10.2.A SHOULDER STRAP...

  • Page 17: Strapping - Lower Strap Replacement (Pelvic/Crotch)

    11. Strapping – Lower Strap Replacement (Pelvic/Crotch) Unclip crotch hook from anchor loop under seat pan. 11.A Unscrew attachment bolts on back of seat pan. (Requires: 4mm Allen, 10mm Crescent Wrench) 11.B SHOULDER STRAP PELVIC STRAP Feed straps up through shell and cushions. Replace Lower strapping assembly with provided replacement set.

  • Page 18: Removable Handle

    • To install the Assist Pistion Lift Kit go to youtube.com/SpecialTomato1 for a video tutorial. Included: 300N Pistons (×2) Ball Joint Bolts (×4) Special Tomato™ Customer Service P: (315) 429-8407 F: (315) 429-8862 info@bergeroncompanies.com © 2015 Bergeron Health Care. All rights reserved.

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