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7

Operation 

Cutting Height Adjustment

1.  The cutting height of the 18 in. (45.8 cm) reel mower 

can be adjusted from 1.1 in. to 3.2 in. (2.7 to 8.2 cm) by 

moving the 5-position height adjustment levers to the 

desired setting. The height adjustment levers are located 

next to the rear wheels.

2.  In order to set the mower to its lowest cutting position, 

hold the mower by its lifting handle, and pull the 

adjustment levers on both sides, one at a time, and set 

them to position A (Fig. 10). 

3.  In order to set the mower to its highest cutting position, 

hold the mower by its lifting handle, and move the 

adjustment levers on both sides to position B (Fig. 10). 

  NOTE: The two adjustment levers MUST be set to the 

same position (height).

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4.  Other cutting heights are achieved by moving the 

adjustment levers to the settings between the highest and 

lowest positions.

Ensuring a Clean Cut

m

WARNING!

 The steel blades are extremely sharp. To 

avoid injury, wear gloves while making adjustments. Keep 

fingers away from the interface between the cutting reel blades 

and stationary blade. 
NOTE: Although the blades are pre-adjusted prior to leaving 

the factory, it is recommended that the adjustment be verified 

prior to first use.

NOTE: Vibrations during shipping can cause blade 

misalignment, which often causes the blades to become too 

loose or too tight. This will result in a rough, uneven cut, or 

make the mower difficult to push (Fig. 11).

 

1.  To verify if the blades make contact, place the mower 

on a firm level surface with blocks in the front of the 

rear wheels so the mower will not move during testing. 

Raise the cutting height to the highest setting to improve 

access. 

2.  With the mower resting on all four wheels, slowly turn 

the cutting reel by lifting it upward, one blade at a time, 

through a full rotation or two. If you hear scraping or feel 

resistance, the blades are contacting each other and need 

adjustment (Fig. 12). 

3.  Follow the instructions to adjust the mower blade.  
4.  To check if the mower cuts properly, turn the mower on its 

side. 

5.  Starting with the end close to the ground, feed a strip of 

paper between a cutting reel blade and the stationary 

blade, keeping the paper flush against the side of the 

stationary blade. About half an inch of the strip should be 

visible beyond the stationary blade.

6.  Slowly rotate the cutting reel toward the stationary blade, 

and observe whether the paper is cut as the first cutting 

reel blade passes (Fig. 13).

Adjustment 

lever 

Fig. 10

Lowest cutting 

position 

Position A

Highest 

cutting 

position 

Position B

OUTSIDE

INSIDE

Quality

Fig. 11

Blocks

Fig. 12

Summary of Contents for Sunjoe MJ1800M

Page 1: ...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 deal...

Page 2: ... presence of children Children are often attracted to the mower and the mowing activity Never assume that children will remain where you last saw them Keep children out of the mowing area and under the watchful care of a responsible adult other than the operator Stay alert and stop the reel mower if a child enters the area Never allow children access to the machine Use extra care when approaching ...

Page 3: ...s and children a safe distance away DANGER Sharp blades can sever fingers and toes Keep away from the cutting area Slip on slope hazard Use extra caution when mowing on slopes to prevent slip and fall accidents CAUTION Beware of stones and other foreign objects that could be thrown from the appliance DANGER Cutting dismemberment hazard Keep hands away from the rotating blades Symbols Symbols Descr...

Page 4: ...l Data Rotor 5 steel blades Cutting Width 18 in 45 8 cm Cutting Heights 1 1 in 3 2 in 2 7 cm 8 2 cm Wheel Size Front 10 in 25 cm Rear 6 in 15 cm Height Control 5 position manual height adjustment Weight 34 6 lbs 15 7 kg FRONT BACK 1 2 3 4 5 6 7 8 10 9 11 12 1 Foam grip 2 Upper handle frame 3 Handle shield knobs 4 4 Handle shield 5 Lower handle bar 2 6 Front wheel 2 7 Mower housing 8 Rear wheel 2 9...

Page 5: ...als Properly dispose of these materials in accordance with local regulations IMPORTANT The equipment and packaging material are not toys Do not let children play with plastic bags foils or small parts These items can be swallowed and pose a suffocation risk Assembly Rear Wheel Assembly 1 Align one rear wheel with the hole on the end of the mower body and connect with one set of rear wheel washer b...

Page 6: ...both sides of the mower body Fig 7 2 To assemble the handle assembly on the mower body insert the posts on both sides into the holes on the ends of the lower handle bars Fig 8 NOTE Some force may be needed to separate the handle legs so they fit over the posts 3 Insert the cotter pins in the original slots on the posts on both sides to secure the handle assembly Fig 9 Handle shield Fig 4 Handle sh...

Page 7: ...ior to first use NOTE Vibrations during shipping can cause blade misalignment which often causes the blades to become too loose or too tight This will result in a rough uneven cut or make the mower difficult to push Fig 11 1 To verify if the blades make contact place the mower on a firm level surface with blocks in the front of the rear wheels so the mower will not move during testing Raise the cu...

Page 8: ...re turned clockwise Fig 15 mWARNING Do not overtighten the adjustment screws as this could damage the cutting bar Both screws must be tight on final adjustment 3 To loosen the blades use the Allen wrench provided and turn both adjustment screws by an equal amount counterclockwise 4 To tighten the blades tighten both screws by an equal amount by turning them clockwise NOTE If you have any questions...

Page 9: ...To safely move the mower from one location to another without the blade reel turning simply pivot the handle over the reel and push the mower from the opposite side Pushing the mower in this manner transport mode prohibits the blade reel from turning Fig 18 Care Maintenance 1 Minimum care is required to ensure smooth operation of your mower 2 To avoid damage to the mower or cutting blades keep the...

Page 10: ...instructions Always keep the cutting bar properly adjusted Refer to the instruction manual for further directions Regularly clean and lubricate cutting edges with light spray oil IMPORTANT Reel mowers have difficulty cutting tall weeds such as dandelions and will often bend rather than cut such weeds Cut often to prevent this Service and Support If your Sun Joe MJ1800M manual reel mower requires s...

Page 11: ...oe Sun Joe will not be responsible for the cost of any unauthorized warranty repairs This warranty does not cover any cost or expense incurred by the purchaser in providing substitute equipment or service during reasonable periods of malfunction or non use of this product while waiting for a replacement part or unit under this warranty Wearing parts like belts augers chains and tines are not cover...

Page 12: ...crystalline silica from bricks and cement and other masonry products and arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specifically designed to filter out micro...

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