Model: C8420-115 C8420-240 Ambassador 20 OPERATION SERVICE PARTS CARE
This manual is furnished with each new Minuteman Ambassador 20. This provides the necessary operating and preventative maintenance instructions. Operators must read and understand this manual before operating or servicing this machine. This machine was designed to give you excellent performance and efficiency. For best results and minimal cost, please follow the general guidelines below: • Operate the machine with reasonable care.
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS.................................................................... 1 INSPECTION.............................................................................................................. 2 GROUNDING INSTRUCTIONS ................................................................................. 2 OPERATOR VIEW OF CONTROLS .......................................................................... 5 OPERATING INSTRUCTIONS.......................................
COMMERCIAL USE ONLY IMPORTANT SAFETY INSTRUCTIONS When using an electrical appliance, basic precautions should always be followed, including the following: READ ALL INSTRUCTIONS BEFORE USING WARNING: To reduce the risk of fire, electric shock, or injury: • Do not leave appliance when plugged in. Unplug from outlet when not in use and before servicing. WARNING To reduce the risk of electrical shock – Do not expose to rain. Store indoors. • • • • • • • • • • • • • • Do not allow to be used as a toy.
INSPECTION Carefully unpack and inspect your machine for shipping damage. Each unit is tested and thoroughly inspected before shipment, and any damage is the responsibility of the delivery carrier who should be notified immediately. WARNING • • • Read Instructions Manual before operating this piece of equipment.
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OPERATOR VIEW OF CONTROLS 5
OPERATING INSTRUCTIONS 1. Filling: Fill the solution tank with the desired amount of water and add liquid cleaning solution to the proper dilution ratio. DO NOT USE powdered cleaning chemicals. Powders are unlikely to dissolve thoroughly, resulting in clogging the inline solution filter. This can reduce or stop water flow to the pump and spray jets. 2. Connect power supply cord to grounded wall outlet, Item # 4 3. Engage traction drive system, Item #5 4. Turn on main power switch, Item #2 5.
EXPLODED VIEWS 7
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WIRING DIAGRAM 15
WIRING DIAGRAM (cont’d) 16
TROUBLE SHOOTING GUIDE Use this guide to pinpoint problem areas that may arise with the use of your Ambassador 20. CAUTION! Unplug supply cord before servicing machine components. SOLUTION SYSTEM I. No water dispensed from spray jets A. The hose connection at the pump for the spray tube may not be tight. Disconnect, then reconnect the fitting, to ensure the fittings snap together securely. B. The solution pump diaphragm may be damaged.
SOLUTION RECOVERY (cont’d) II. Pump motor does not run. A. Check pressure switch for short circuit. By-pass the pressure switch by connecting the two black leads to the switch to one another, if the motor then runs, replace the pressure switch. III. Machine fails to run when handle switch is activated. A. Speed control maybe shorted out. B. Speed control potentiometer may be defective. ELECTRICAL SYSTEM A.C. I. Vacuum motor does not start. A.
Minuteman International Made Simple Commercial Limited Warranty Minuteman International, Inc. warrants to the original purchaser/user that the product is free from defects in workmanship and materials under normal use. Minuteman will, at its option, repair or replace without charge, parts that fail under normal use and service when operated and maintained in accordance with the applicable operation and instruction manuals.
