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SET-UP INSTRUCTION & PRE-OPERATION CHECKLIST 

SNAPPER 21" STEEL DECK COMMERCIAL WALK BEHIND MOWERS  

 
INTRODUCTION: The SNAPPER Walk Behind Mowers are shipped almost fully assembled and require minimal 
set-up. Complete each of the following steps carefully. Review and complete each item as instructed on the Pre-
Operation checklist. The Snapper Product Registration card must be filled out and sent to Customer Service 
department at Snapper when completed. 
 

STEP 1: Remove mower from shipping carton. These 
mowers are manufactured with (4) 5/16-18 x 2” hex cap 
screws, and (4) 5/16 bolt retainers that secure the 
upper, middle handles and lower handle brackets 
together for packaging purposes. This hardware will 
have to be removed and discarded. See Figure 1. 
 
 

 

REMOVE EXISTING HARDWARE 

 

FIGURE 1 

 
STEP 2: New hardware can be found in hardware bag. 
Attach middle handle to lower handle brackets using 
5/16-18 x 2” curved head bolts, installed from the inside 
of handles as shown, and secure with 5/16 internal 
tooth lock washers and hex nuts. Do Not tighten at this 
time. See Figure 2. 
 
STEP 3:  Attach the upper handle assembly to the middle 
handle using 5/16-18 x 1-1/2” curved head bolts, 
installed from the inside of handles as shown, and 
secure with 5/16 internal tooth lock washers and hex 
nuts. Do Not tighten at this time. See Figure 3. 
 
STEP 4: To adjust handle height loosen bolts on both 
lower handle brackets. See Figure 4. Move handles up 
or down for desired height. Tighten all bolts and nuts on 
all handles and brackets. 
 
 
 
 

 

FIGURE 2 

 

 

FIGURE 3 

 

 

FIGURE 4 

 
 
 

INSTRUCTION No. 7-4361 (I.R. 2/16/01) 

UPPER 
HANDLE 

MIDDLE 
HANDLE 

5/16 BOLT 
RETAINER 

5/16 BOLT 
RETAINER 

5/16 X 1-1/2” MACHINE 
SCREWS 

5/16 X 2” HEX 
HEAD CAP 
SCREWS 

MIDDLE 
HANDLE 

5/16 BOLT 
RETAINER 

LOWER 
HANDLES 

MIDDLE 
HANDLE 

LOWER 
HANDLE 
(Left Side) 

5/16 X 2” 
CURVED 
HEAD BOLT 

5/16 HEX 
NUTS 

5/16 LOCK 
WASHERS 

UPPER 
HANDLE 

MIDDLE 
HANDLE 

INTERNAL 
TOOTH LOCK 
WASHER 

5/16 X 1-1/2” 
CURVED 
HEAD BOLTS 

HEX NUT 

LOOSEN ANCHOR 
HARDWARE 

LOOSEN NUTS 
ON BOTH SIDES 

MOVE HANDLES 
UP OR DOWN 

Summary of Contents for Steel Deck Commercial Walk Behind Mowers

Page 1: ...rved head bolts installed from the inside of handles as shown and secure with 5 16 internal tooth lock washers and hex nuts Do Not tighten at this time See Figure 2 STEP 3 Attach the upper handle assembly to the middle handle using 5 16 18 x 1 1 2 curved head bolts installed from the inside of handles as shown and secure with 5 16 internal tooth lock washers and hex nuts Do Not tighten at this tim...

Page 2: ... flanges See Figure 7 FIGURE 6 FIGURE 7 STEP 7 Insert the transfer rod into the hole in the end of the control rod and clip as shown in Figure 8 Hold transfer rod in place rotate clip over until it snaps into position onto transfer rod See Figure 9 FIGURE 8 FIGURE 9 ANCHOR ROTATE UPWARD TO SPEED SECTOR SPEED CONTROL ROD SECTOR FLANGES SPEED SECTOR FLAT WASHER NOTCH SPRING PUSH UP INTO NOTCH AND PU...

Page 3: ...isc may need adjustment proceed as follows A Place speed control rod in the number six speed position See Figure 11 FIGURE 11 B Remove driven disc spring from driven disc assembly as shown Loosen connector hex nut See Figure 12 FIGURE 12 C Slide driven disc assembly over until 1 8 from outside edge of drive disc Maintaining the 1 8 measurement remove any looseness from the linkage This can be done...

Page 4: ... support rod over the threaded engine stud Install nut only washer not needed and re tighten the nut See Figure 15 STEP 11 ROBIN 4 CYCLE ENGINE The installation of the support rod on the Robin 4 cycle engine is saimilar to the installation on the Kawasaki engine described above On the Robin installation the rope guide end of the support rod is on top of the pulley and the flattened end is attached...

Page 5: ...l If contamination does occur the air filter will have to be replaced STEP 14 Tip mower back against the upper handle to gain access to the underside of the cutting blade Remove foam shipping block from cutting blade This must be removed before starting the engine STEP 15 Pull blade control up against handle Pull recoil rope out and route rope around pulley guide on bag adapter and loop rope into ...

Page 6: ...h FUEL in specified ratio 2 Cycle Engines Only _____ DIFFERENTIAL grease checked and added if needed OPERATIONAL TEST _____ ENGINE started engine control settings checked and adjusted as needed _____ WHEEL DRIVE checked for proper operation and adjusted as needed _____ CHUTE INTERLOCK checked to insure proper functioning _____ GROUND SPEED control checked and adjusted as needed CPSC Consumer Produ...

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