Keiser Infinity Series Operation & Maintenance Manual

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KEISER
Infinity Series
Operations & Maintenance
Manual

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Table of Contents
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Summary of Contents for Keiser Infinity Series

  • Page 1 KEISER Infinity Series Operations & Maintenance Manual...
  • Page 2: Cautions, Warnings And Notes

    Any alteration of the equipment so listed without express written consent of Keiser Corporation shall constitute a waiver by the buyer of this warranty. This warranty does not cover other brand name products distributed by, but not manufactured by Keiser Corporation which are subject to their respective manufacturers’...
  • Page 3: Preventive Maintenance Schedule

    The parts are sent to whoever is responsible for the repair. Keiser Corporation will not be responsible for improper repairs made to Keiser machines. Keiser Corporation will not be responsible for non-authorized replacement parts used in repairs.
  • Page 4: Troubleshooting

    The following section will help you to diagnose any problem that might occur on your KEISER machines. Find the problem in the under-lined headings and check each part of the system as described in the questions below it. By following this method, the most likely problems will be checked first.
  • Page 5: Digital Display

    NO ↓ YES → Replace that outlet Are any hoses kinked or damaged? YES ↓ NO → Check the valves Repair or replace the hose PROBLEM: Exercise action is rough, noisy, uneven, or spongy. Are the cylinder rods clean and lubricated? YES ↓...
  • Page 6: Compression Fittings

    If the fitting still leaks, the nut must be replaced. In most cases the air hose should be long enough to allow this, if not, order a new air hose from KEISER. To install a new hose, fitting or nut: Cut the tubing as close as possible to the nut.
  • Page 7 Correct diameter of the barb is critical for proper sealing. Always use barb fittings supplied by KEISER for proper fit. Hoses are installed to the barb fittings by pushing the hose over the fitting. The barb ridges provide an air tight seal.
  • Page 8: Quick-Disconnect

    BARB FITTINGS. FILTER The filter keeps moisture and dirt out of the cylinders and other components. KEISER air systems incorporate a refrigerant dryer on the compressor. Refer to the preventive maintenance chart for time interval for checking filters (table 1, pg. 4).
  • Page 9 BEFORE ANY DISASSEMBLY, THE MACHINE MUST FIRST BE UNPLUGGED FROM THE AIR SUPPLY AND THE RESISTANCE DECREASED TO ZERO. KEISER equipment uses a variable flow thumb valve capable of very fine adjustment to the resistance. Note: There is a high pressure port and low pressure port on each valve. The decrease valve has the hose from the manifold connected to the high pressure port.
  • Page 10 decrease valve has a short piece of hose on the barb that serves as an exhaust muffler. -NOTICE DO NOT CUT ACROSS THE RIDGES ON THE BARBS. DAMAGED BARBS ARE AREAS FOR POSSIBLE LEAKS. Replace the valve, pushing the high pressure hose onto the barb on the side with the two pressed in balls.
  • Page 11 B A R B E D C O N N E C TO R C IR C U IT B O A R D A S S Y S C R E W - C R P H M S , # 4 -4 0 X 5 /1 6 P L U G - A D JU S TA B L E S P R IN G - 7/3 2 X 3 /4 L E N G TH...
  • Page 12 Figure 6 TO REPLACE THE CYLINDER Put a drop of oil on the bearings and remount the cylinder. Tighten all nuts Securely. Reattach the air hose. Tighten the nut finger-tight, plus one-quarter turn. Plug in the quick-disconnect and check for air leaks. If the fitting leaks, tighten the nut another one-quarter turn.
  • Page 13 If found, contact KEISER for a replacement. Clean the piston and inspect for wear or damage. If any metal particles are found on the piston or inside the cylinder contact KEISER for a replacement. Clean the wear strip grooves and apply a moderate coat of "Hydrotex ...
  • Page 14 When replacing a muffler, coat the threads with oil, silicon lubricant, or "WD-40", and reinstall snug but not tight. Mufflers should be replaced every 12 months. Contact the KEISER Service Department for replacement mufflers. FASTENERS NUTS, SCREWS AND SET SCREWS Tightness of nuts and screws should be checked monthly.
  • Page 15 There are several types of screws used in the equipment. Hex head cap screws are “Grade 5” and are general purpose screws used for most assemblies. Shoulder screws are “Grade 8” and have a hardened and ground shoulder portion. The size of a shoulder screw is determined by the diameter of the shoulder.

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