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Rev: 8/2008
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36B, 36BX, 36H, 36HX, 52H, 52HX
DEK
®
is exclusively distributed by GXi International, LLC
Heavy Duty Power Equipment
About the DEK Belt Drive Lawn Mower Manual
Congratulations on the purchase of your new DEK commercial mower. We at GXi International are confi-
dent that this mower will provide you with the best performance, outstanding quality, and great
durability when operated and maintained as directed in this manual.
1. This manual contains assembly, operating, safety, adjustment, maintenance, and troubleshooting instructions.
BEFORE OPERATING YOUR LAWN MOWER, CAREFULLY READ THIS MANUAL IN ITS ENTIRITY.
2. This owner’s manual is considered a permanent part of the mower. It must be available to all of the operators
and/or person(s) servicing the mower. Should the mower be resold, this manual must remain with the mower.
3. All information, illustrations, and specifications contained in this manual were in effect at the time of the publica-
tion. GXi International reserves the right to add, delete or modify specifications and/or designs without notice.
4. If you ever have questions in regards to the operation, maintenance or safety of your mower, please contact the
DEK technical service line at 1-800-393-0668.
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Table of Contents
Safety Information
Safety Warnings .………………………………………………………………...…………………………………………..
Before Use of Equipment …………………………………………………………………………………………………...
Operation of Equipment – Safety Cautions ………………………………..……………………………………………...
Safety Information Decals …………………………………………………………………………………………………..
Operating the Mower
Product Specifications………………………………………………………………………………………………………..
Control Panel Component Identification…………………..…………...…………………………………………………..
Lawn Mower Component Identification...…………………………………………………………………………………...
Assembly Instructions…………………………………………………………………………………………….7 through 11
Starting the Engine………………………………………………………………………………………………………....
Moving Forward.………………………………………………………………………………………………………………
Turning the Mower……………………………………………………………………………………………………………
Stopping the Mower…………………………………………………………………………………………………………..
Moving in Reverse……………………………………………………………………………………………………………
Mowing………………………………………………………………………………………………………………………...
Changing Cut Height..………………………………………………………………………………………………………..
Removing Blades…………………………………………………………………………………………………………….
Service and Maintenance
Maintenance Schedule………………………………………………………………………………………………...……
Fuel…………………………………………………………………………………………………………………………….
Engine Oil……………………………………………………………………………………………………………………..
Air Filter……………………………………………………………………………………………………………………….
Tire Pressure…………………………………………………………………………………………………………………
Blades…………………………………………………………………………………………………………………………
Cleaning the Mower………………………………………………………………………………………………………….
Lubrication Points…………………………………………………………………………………………………………….
Adjustments
Drive Belt Adjustments……………………………………………………………………………………………………….
Wheel Brake Adjustments…………………………………………………………………………………………………….
Engine to Blade Belt………………………………………………………………………………………………………….
Blade to Blade Belt…………………………………………………………………………………………………………..
Engine to Transmission Belt………………………………………………………………………………………………..
Safety Interlock System……………………………………………………………………………………………………..
Troubleshooting Guide……………………………………………………………………………………………………………..
Warranty……………………………………………………………………………………………………………………………...