Replacement Part List
© 2017 by Snow Joe
®
, LLC
All rights reserved. Original instructions.
SAVE THESE INSTRUCTIONS
1
A Division of Snow Joe
®
, LLC
OPERATOR’S MANUAL
Model MJ504M Form No. SJ-MJ504M-880E-MR1
R
MANUAL REEL MOWER
16-INCH | 9 CUTTING HEIGHTS | RAZOREEL
IMPORTANT!
Safety Instructions
All Operators Must Read These 
Instructions Before Use
Always follow these safety guidelines. Failure to do so may 
result in serious bodily injury or death.
General Safety WARNINGS!
When using this reel mower, basic safety precautions should 
always be followed to reduce the risk of personal injury. These 
precautions include:
mWARNING! This unit can be dangerous! Careless or 
improper use can cause serious injury.
mWARNING! Risk of dismemberment: keep hands and 
feet away from the rotating blades and the cutting area.
Before using the reel mower, familiarize yourself with the 
controls, especially how to stop the mower in an emergency. 
The only individuals who should use the mower are those who 
thoroughly understand these instructions and know how to 
properly operate the unit. Children should never be allowed 
access to the mower.
Retain this manual for future reference and reread it at the start 
of each mowing season.
Safety Information
1.  Never place hands, ngers, or feet inside the reel. 
Although this mower is not powered by a motor, the reel 
spins when the wheels turn, and it is sharp enough to 
cause serious injury.
2.  Never mow when the grass is wet as it can be slippery.
3.  Do not use the reel mower while barefoot or while wearing 
sandals.
4.  Walk behind, never run, while using the reel mower. 
Always keep proper footing and balance when using this 
reel mower.
5.  Do not intentionally strike or hit trees, fences, or 
other objects. Doing so can cause severe injuries or 
permanently damage the reel mower's mechanisms.
6.  Make sure that the reel mower is in proper working order 
prior to use. Do not attempt to operate this reel mower if it 
is damaged. Contact your authorized Snow Joe
®
 + 
Sun Joe
®
 dealer or call the Snow Joe
®
 + Sun Joe
®
customer service center at 1-866- SNOWJOE 
(1-866-766-9563).
IMPORTANT!
Safety Instructions for Walk-Behind 
Reel Mowers
General Operation
•  Read, understand, and follow all instructions on the 
machine and in the manual(s) before starting.
•  Do not put hands or feet near or under the machine. 
Always stay clear of the discharge opening.
•  Only responsible adults who are familiar with the 
instructions should be allowed to operate this machine.
•  Clear the mowing area of foreign objects such as rocks, 
wire, toys, and other miscellaneous articles, which could 
be picked up and thrown by the rotating blades. 
• Make sure that the mowing area is clear of bystanders 
before starting the mower. Stop the mower if anyone 
enters the area. 
•  Always look down and behind before starting and while 
moving backward with the mower.
•  Do not operate the machine without safety protective 
devices in place and in proper working order.
•  Never operate the mower on wet grass. Always be sure of 
your footing; walk, never run, with the mower.
•  Keep blades sharp.
•  Keep hands and feet away from the cutting area.
•  Always wear eye protection when operating the machine.
•  Objects struck by the reel mower blades can cause severe 
injuries. The mowing area should always be carefully 
examined and cleared of all objects prior to each mowing.
•  Only use identical replacement blades.










