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- Page 1 W A L K - B E H I N D T R O W E L S SP446 SAFETY & OPERATIONS MANUAL Man ual Par t #: 068518 | Re visi on : - Languag e: E n g lish | O r igin a l In stru cti on s...
- Page 2 No part of this manual may be reproduced or transmitted in any form or by any means, electronics or mechanical, for any purpose, without the express written permission of Allen Engineering Corporation (AEC). AEC assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual.
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Page 3: Table Of Contents
Table of Contents GENERAL INFORMATION Sect No. Title Page GENERAL INFORMATION ...................3 Limited Warranty ....................4 Information Contained in this Manual ..............5 Sound & Vibration Testing ..................6 Dealer Information / Ordering Parts ..............7 Model Number / Serial Number Unit Identification ..........8 Technical Specifications ..................9 Engine Specifications ..................10 Engine Parts .......................11... -
Page 4: Limited Warranty
Allen reserves the choice to repair or replace. 2. If Allen chooses to replace the part, it will be at no cost to the customer and will be made available to the Allen Distributor, Dealer, or Rental Center from whom the End User purchased the product. -
Page 5: General Information
Complete any warranty requirements as specified by the engine manufacturer in their instructions found inside the manual box located on the back of the riding trowel operator’s seat. Your engine and clutch is not manufactured by Allen Engineering Corporation, Inc, and therefore is not covered under Allen Engineering Corporation, Inc warranty. -
Page 6: Sound & Vibration Testing
0.96 m/sec² This information was acquired from sound and vibration analysis tests conducted at Allen Engineering Corporation. • The operator may experience noise levels of 98 dB, hearing protection is required for use longer than 2 hrs. As a general recommendation if noise levels exceed 85 dB hearing protection is recommended. -
Page 7: Dealer Information / Ordering Parts
GENERAL INFORMATION Your Dealer has Allen Engineering Corporation trained mechanics and original Allen replacement parts. Always contact the Allen Dealer who sold you this machine for Allen Certified repairs and replacement parts. Place Allen Dealer information below for future reference. -
Page 8: Model Number / Serial Number Unit Identification
GENERAL Model Number / Serial Number Unit Identification INFORMATION Manufacturer’s Codes: When ordering parts or requesting service information, you will always be asked to specify the model and serial numbers of the machine. The legends below specifically defines each significant character or group of characters of the Model Number and Serial Number codes. -
Page 9: Technical Specifications
Technical Specifications GENERAL INFORMATION Machine Specifications • Engine: ................Honda GX390 • Fuel Type: ..................Gasoline • Fuel Capacity: ..............1.6 GAL (6.1 L) • Height: ..................42-5/16" • Length: ..................83-9/16" • Width: .................... 49-1/4" • Dry Weight: ..............354 lbs (160.5 kg) •... -
Page 10: Engine Specifications
GENERAL Engine Specifications INFORMATION Honda Engine Information Model: ......... . Honda GX390 Fuel Type: . -
Page 11: Engine Parts
Engine Parts GENERAL INFORMATION The Information below was taken directly from the manufactures product literature. For further information please reference the engine manufactures Owner’s Manual 125792 8 6 796 1234256578125792 21 7 25 3 6 9 91 6 56 9 7 927 7 6 669 4 94 126 6 6 9... - Page 12 GENERAL INFORMATION PAGE LEFT BLANK INTENTIONALLY Page 12 068518 - 7/23...
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Page 13: Safety
SECTION 1 SAFETY SECTION 1: SAFETY 068518 - 7/23 Page 13... -
Page 14: Federal / State Warnings
SECTION 1 Federal / State Warnings SAFETY RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and other materials can generate dust, mists and fumes containing chemicals known to cause serious or fatal injury or illness, such as respiratory disease, cancer, birth defects or other reproductive harm. SILICOSIS WARNING Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may... -
Page 15: Manual Tag Safety Detail
Manual Tag Safety Detail SECTION 1 SAFETY Safety-Alert Signs This manual contains Safety-Alert Signs, as defined below, which must be followed to reduce the possibility of improper servi ce damage to the equipment or personal injury. Read and follow all Safety-Alert Signs included in this manual. NOTE defines an operating procedure, condition, etc. -
Page 16: Spark Arrestor Notice / Hazard Symbols
SECTION 1 Spark Arrestor Notice / Hazard Symbols SAFETY Some states require that in certain locations arrestors be used on internal combustion engines. A spark arrester is a device designed to prevent the discharge of spark or flames from the engine exhaust. It is often required when operating equipment on forested land to prevent the risk of fires. -
Page 17: Operating Safety
Operating Safety SECTION 1 SAFETY Familiarity and proper training are required for the safe operation of this equipment! Equipment operated improperly or by untrained personnel can be dangerous! Read the operating instructions contained in both this manual and the engine manual and familiarize yourself with the location and proper use of all controls. •... -
Page 18: Engine Safety
SECTION 1 Engine Safety SAFETY Internal combustion engines present special hazards during operation and fueling. Read and follow the warning instructions in the engine owner’s manual and the safety guidelines below. Failure to follow the warnings and safety guidelines could result in severe injury or death. •... -
Page 19: Service Safety
Service Safety SECTION 1 SAFETY Poorly maintained equipment can become a safety hazard! In order for the equipment to operate safely and properly over a long period of time, periodic maintenance and occasional repairs are necessary. • ALWAYS disconnect the battery before servicing the equipment. •... -
Page 20: Lifting Safety
SECTION 1 Lifting Safety SAFETY ALWAYS DO A THOROUGH INSPECTION OF THE SLINGS, CHAINS, AND HOOKS BEFORE ATTEMPTING TO LIFT THE MACHINE! OSHA has set forth guidelines which detail the use of Rigging Equipment for Material handling. This guideline is found under OSHA Standard Number: 1926.251 Please read and follow all guidelines found in this standard. - Page 21 Lifting Safety SECTION 1 SAFETY • When lifting the machine, all personnel must be clear of the machine. • DO NOT stand near or under the machine while it is being lifted. • The trowel is heavy and awkward to move around. Use proper heavy lifting procedures and DO NOT lift the trowel by the guard rings.
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Page 22: Transportation Safety
SECTION 1 Transportation Safety SAFETY • Make sure the hitch and coupling of the towing vehicle are rated equal to, or greater than the trailer “gross vehicle weight rating.” • If applicable, ALWAYS close the fuel valve when transporting the machine. •... -
Page 23: Pan Installation Safety - Lifting Bridle
Pan Installation Safety - Lifting Bridle SECTION 1 SAFETY This section details the proper technique to utilize the lifting bridle system in a safe manner to install concrete finishing pans. (NOTE: Images are for illustration purposes only) Use a lifting sling (bridle) with a capacity of at least 2:1 weight ratio for the equipment being hoisted. -
Page 24: Operation
SECTION 2 OPERATION SECTION 2: OPERATION Page 24 068518 - 7/23... -
Page 25: Introduction
Power is transferred from the engine to the gearbox input shaft via a V-belt pulley drive system. • All Allen Engineering Walk-behinds are equipped with a safety shutdown switch. • Operating time between fuel refills is approximately 2-1/2 to 3 hours. -
Page 26: Pre-Start Procedure
Pre-Start Procedure SECTION 2 OPERATION Before Starting Procedures Before operation each day check for the following: 1. All guards, side screens and panels are in place 2. All safety and information signs are in place and legible 3. Engine, Gearbox, and Hydraulic Oil levels are correct. 4. - Page 27 Pre-Start Procedure SECTION 2 OPERATION Gearbox Oil 1. Determine if the gearbox oil is low by removing the oil plug located on the top of the gearbox. If necessary, drain the remaining oil and fill it with 48oz (1.4L) of Klubersynth EG 4-150 High Performance Gear Oil or an equivalent alternative oil.
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Page 28: Trowel Operation
SECTION 2 Trowel Operation OPERATION Location of all Operating Controls & Machine Components 1. Pitch Control Handle – To adjust the pitch of the blades, squeeze the pitch handle and lower the handle to pitch the blades. The pitching handle uses a spring loaded tab to lock the handle into the teeth cut into the pitch handle plate. - Page 29 Trowel Operation SECTION 2 OPERATION 068518 - 7/23 Page 29...
- Page 30 SECTION 2 Trowel Operation OPERATION Operating The Trowel The following steps are intended as a basic guide to machine operation, and are not to be considered a complete guide to concrete finishing. We suggest that all operators (experienced and novice) read “Slabs on Grade” published by the American Concrete Institute, Detroit, Michigan.
- Page 31 Trowel Operation SECTION 3 SERVICE • Push down on the handle to move the rotor assembly to the right. • Pull up on the handle assembly to move the rotor assembly to the left. 068518 - 7/23 Page 31...
- Page 32 SECTION 3 Trowel Operation SERVICE • Pitch Adjustment Different pitch angles are needed as you work the different stages of the concrete. When changing or setting pitch (angle of trowel blades), slow the machine down, set the desired degree of pitch using the pitching handle. To increase the pitch, squeeze the pitch handle and lower the handle to pitch the blades.
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Page 33: Service
SECTION 3 SERVICE SECTION 3: SERVICE 068518 - 7/23 Page 33... -
Page 34: Maintenance Schedule
SECTION 3 Maintenance Schedule SERVICE Periodic Maintenance Schedule The table below list basic trowel and engine maintenance. Refer to OEM engine manufacturer’s Operation Manual for additional information on engine maintenance. A copy of the engine operator’s manual was supplied with the machine when it was shipped. -
Page 35: Engine Oil
Engine Oil SECTION 3 SERVICE • Use Honda 4-Stroke oil, or an equivalent high-detergent, premium-quality motor oil certified to meet or exceed U.S. automobile manufacturer’s requirements for Service Classification SG-SF/CC-CD. • See the engine Owner’s Manual for detailed service instructions. •... -
Page 36: Grease Points
SECTION 3 Grease Points SERVICE Figure: Spider Boss grease points. • The Spider Boss trowel arms should to be greased daily before use. There are (4) grease points on the Spider Boss, one per trowel arm. • To grease the trowel arms, Mobilith SHC 220 or an equivalent multipurpose Grade 2 grease should be used. When using a new type of grease it is best to avoid mixing different types of grease. -
Page 37: Air Filters
Air Filters SECTION 3 SERVICE ITEM PART NO. DESCRIPTION 066578 KIT, FILTER FOR 13 HP GX390 066440 FILTER, AIR 066437 FILTER, FUEL 068518 - 7/23 Page 37... -
Page 38: Drive Train
SECTION 3 Drive Train SERVICE The CVT does not require any lubrication. See CVT manufacture (CvTech IBC) for detailed service information. To maintain the CVT see below: Drive Belt Service: The Drive Belt should be inspected often, but at least every 250 Hrs. The Drive Belt should be replaced when physical damage is visible (cracks etc.) and/or when the width at the cord level of the belt is ~2mm less than a new belt Driver Pulley Service Parts (AEC Part Number 070549): •... - Page 39 Drive Train SECTION 3 SERVICE Changing the CVT Drive Belt 1. To access the Drive Belt the cover will need to be removed. This cover is fastened by 1/4 fasteners in 5 locations. See the figure below 1/4 bolt & nut 1/4 bolt &...
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Page 40: Gearbox
SECTION 3 Gearbox SERVICE Gearbox Maintenance • The oil level in the gear box should be checked monthly. • It is recommended after 100 Hrs of use that the gearbox oil should be drained, flushed and refilled with the proper oil. •... -
Page 41: Trowel Arm Adjustment
Trowel Arm Adjustment SECTION 3 SERVICE Trowel Arm Adjustment Through general use or when changing the blades, it is necessary to check the flatness of the blades and trowel arms. • Ensure that the trowel is on a level surface. Use a 36” beam level to check the flatness of the trowel arms and blades. Lay the level across two trowel arms or blades to check for flatness between the two. -
Page 42: Cleaning Procedure
SECTION 3 Cleaning Procedure SERVICE Machine Cleaning Procedure When cleaning the machine, please adhere to the following information to ensure proper cleaning and to keep the machine in the best condition possible. Power Washing Procedure: • Ensure that the water pressure is below 2000 PSI (14 MPa) •... -
Page 43: Revision Details
Revision Details SECTION 4 ACCESSORIES MANUAL REVISION DETAIL REVISION # REVISION DATE REVISION REFERENCE # REVISION BY 08/23 Initial Release MW/MK 068518 - 7/23 Page 43... -
Page 44: Parts Manual
Click the link, or go to the following website https://www.alleneng.com/sp446 Mail: A physical copy of the manual can also be mailed to you upon request. Please contact Allen Engineering and one will be sent to you. Allen Engineering P.O. Box 819 Paragould, Ar. - Page 46 AEC FACTORY & HEADQUARTERS 8 1 9 S . 5 T H S T R E E T P A R A G O U L D , A R K A N S A S 7 2 4 5 0 8 7 0 .
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