Toro 139-5637 Instructions Manual
  1. Manuals
  2. Brands
  3. Toro Manuals
  4. Engine
  5. 139-5637
  6. Instructions manual

Toro 139-5637 Instructions Manual

Engine conversion kit
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Engine Conversion Kit
Subaru Powered Walk-Behind Greensmaster
1820, or 2120 Mower
Model No. 139-5637

Introduction

This engine conversion kit is only for machines with
following model and serial numbers:
Model Number
Serial Number
04040
312000001 through 315999999
04041
312000001 through 315999999
04044
316000001 through 999999999
04045
316000001 through 999999999
Light Kit, Model 04064 (Flex 1800/2100/1820/2120
traction units) is compatible with this kit.
Note:
Older light kits are not compatible with this kit.
Important:
These installation instructions
contain engine operation and maintenance
information that supersedes the engine operation
and maintenance procedures in your machine
Operator's Manual.
Before operating or maintaining the machine or
engine, always refer to the operating and safety
instructions in your Operator's Manual.
Save these instructions.
Important:
The engine warranty is provided
by the engine manufacturer. Please refer to the
engine manufacturer's warranty and emissions
system warranty included in the literature packet.
That warranty applies only to the engine. It does
not expand or otherwise alter any express or
implied warranty terms or warranty period that
may apply to the product into which the engine
is installed.
© 2020-The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
Contents
Introduction ............................................................... 1
Safety ....................................................................... 2
Installation ................................................................ 3
Product Overview ..................................................... 5
Operation .................................................................. 6
Maintenance ............................................................. 8
Register at www.Toro.com.
®
Installation Instructions
WARNING
CALIFORNIA
Proposition 65 Warning
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects,
or other reproductive harm.
Safety and Instructional Decals .......................... 2
1 Preparing the Machine..................................... 3
2 Removing the Existing Engine ......................... 3
3 Installing the New Engine................................. 3
Controls ............................................................. 5
Fuel Specifications ............................................. 6
Using Stabilizer/Conditioner ............................... 6
Filling the Fuel Tank ............................................ 6
Valve ............................................................... 7
Servicing the Engine Oil...................................... 9
Servicing the Air Cleaner ...................................11
Servicing the Spark Plug................................... 12
Original Instructions (EN)
All Rights Reserved *3437-588* B
Printed in the USA
Form No. 3437-588 Rev B
Flex
™
1800, 2100,

Advertisement

Table of Contents
loading

Related Manuals for Toro 139-5637

Summary of Contents for Toro 139-5637

  • Page 1: Table Of Contents

    Engine Conversion Kit Subaru Powered Walk-Behind Greensmaster ® Flex ™ 1800, 2100, 1820, or 2120 Mower Model No. 139-5637 Installation Instructions WARNING Introduction CALIFORNIA Proposition 65 Warning This engine conversion kit is only for machines with following model and serial numbers:...

  • Page 2: Safety

    Safety Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decal130-8322 130-8322 1. Use only fuel with an 3.

  • Page 3: Installation

    Installation Note: If the machine is equipped with an incandescent light kit, you may need to order a new kit; contact your authorized Toro distributor for more information. Preparing the Machine No Parts Required g314125 Figure 1 Procedure 2. Bolt 1.
  • Page 4 secure the engine-base rear to the rear frame. Align the frame hole with the front mounting boss of the engine base. Install and finger tighten the flange head screw and hardened washer that secures the engine base to the frame. Position the engine-base front to align the engine and transmission couplers.

  • Page 5: Lubricating And Adjusting The Machine

    Product Overview Connect the throttle cable to engine. Use the previously-removed bolts to secure the new coupler guard to the transmission cover. Lubricating and Adjusting the Machine No Parts Required Procedure g265059 Figure 4 Lubricate the machine according to the 1.

  • Page 6: Operation

    Filling the Fuel Tank Operation DANGER Fuel Specifications In certain conditions, fuel is extremely Fuel tank capacity: 2.0 L (0.59 US gallons) flammable and highly explosive. A fire or explosion from fuel can burn you and others Recommended fuel: Unleaded gasoline with an and can damage property.

  • Page 7: Opening And Closing The Fuel-Shutoff Valve

    Opening and Closing the WARNING Fuel-Shutoff Valve Fuel is harmful or fatal if swallowed. Long-term exposure to vapors can cause Control fuel flow to the engine with the fuel-shutoff serious injury and illness. valve as follows: • Avoid prolonged breathing of vapors. •...

  • Page 8: Maintenance

    Maintenance Important: Refer to your engine owner’s manual for additional maintenance procedures. Important: The engine gearbox (Figure 7) does not require maintenance, as it is filled with a high-performance, long-life synthetic semi-fluid grease. g312416 Figure 7 1. Gearbox Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval...

  • Page 9: Servicing The Engine Oil

    Servicing the Engine Oil Fill the crankcase with approximately 0.56 L (19 fl oz) of the proper viscosity oil before starting. The engine uses a high-quality oil that has the American Petroleum Institute (API) service classification of SJ or higher. Select the proper oil viscosity (weight) based on the ambient temperature.
  • Page 10 Shut off the engine and wait for all moving parts to stop; refer to Preparing the Machine for Maintenance (page Position the machine so that the engine is level, and clean the area around the oil-fill tube (Figure 10). g019686 Figure 11 1.

  • Page 11: Servicing The Air Cleaner

    Servicing the Air Cleaner Ensure that the oil is at the correct level on the dipstick; refer to Checking the Engine-Oil Level Service Interval: Before each use or daily (page Every 50 hours Replace and secure the dipstick. Every 300 hours/Yearly (whichever comes first) Wipe up any spilled oil.

  • Page 12: Servicing The Spark Plug

    Servicing the Spark Plug Clean the paper element by tapping it gently to remove the dirt. Service Interval: Every 100 hours Note: Do not try to brush dirt off the paper Every 300 hours element; brushing forces the dirt into the fibers. Replace the element if tapping it fails to remove Use an NGK BPR6ES spark plug or equivalent.
  • Page 13 Notes:...
  • Page 14 Notes:...
  • Page 15 Notes:...
  • Page 16 While the exposure from Toro products may be negligible or well within the “no significant risk” range, out of an abundance of caution, Toro has elected to provide the Prop 65 warnings. Moreover, if Toro does not provide these warnings, it could be sued by the State of California or by private parties seeking to enforce Prop 65 and subject to substantial penalties.

This manual is also suitable for:

Flex 2100Flex 1820Flex 2120Flex 1800

Table of Contents