Snapper SPLH152KW, SPLH172KW, SPA361, SPA481, SPA521, SPA611 Mower Attachment Service

Models: SPLH152KW, SPLH172KW, SPA361, SPA481, SPA521, SPA611

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5.2 CUTTING BLADE SERVICE

SECTION 5 - MOWER ATTACHMENT SERVICE

5.1.5. SPINDLE TO SPINDLE DECK BELT INSTALLATION - 48”, 52”, & 61” CUTTING DECKS

1.Route new belt for 48” cutting deck, 52” cutting deck, and 61” cutting decks, onto bottom groove of center Spindle Pulley and left hand Spindle Pulley. See Figure 5.3.

2.Install cutting deck belt according to CUTTING DECK BELT INSTALLATION.

5.2 CUTTING BLADE SERVICE

Check Blades at frequent intervals to insure they are securely tightened and in good condition. Replace if chipped, bent, or notched. See Figure 5.4 for Blade wear limits.

Manual backgroundNEW BLADE

WEAR LIMIT

Manual background(NOTCH STARTS)

DANGEROUS CONDITION!

DO NOT USE ON MOWER!

Manual background REPLACE WITH NEW

BLADE.

FIGURE 5.4

1.Use the following chart for ordering replacement Blades for the 36”, 48”, 52” and 61” cutting decks.

STANDARD BLADE REPLACEMENT

36” DECK

48” DECK

52” DECK

61” DECK

2-9246

2-9247

2-9246

2-9251

5.2.1.BLADE REMOVAL AND SHARPENING

1.Move the Mower to a smooth, level surface, turn the Ignition Key to STOP position, remove Key, disconnect Spark Plug Wire from Spark Plug and secure Wire away from Plug.

2.Remove Blades.

WARNING

Take NOTE of the number of Blade Spacers that are under the Blade Mounting Nuts and on the Spindle side of the Blade.

3.Clean and inspect each Blade for excessive wear and damage. See Figure 5.4 for Blade wear limits.

4.Refer to the STANDARD BLADE REPLACEMENT chart above for correct SNAPPER replacement Blades.

5.Should Blades be in acceptable condition, sharpen at 22 to 28 degrees. See Figure 5.5.

HEAVY END

22º to 28º

OF BLADE

 

BLADE

 

BLADE TIP

1/64”

ORIGINAL CUTTING EDGE

FIGURE 5.5

NOTE: When sharpening Blades, leave 1/64” untouched. Razor sharp Blades will chip easily and dull quickly. Commercial balancers are available and should be used in accordance with the manufacturer’s instructions.

6.Balance each Blade after sharpening by grinding metal from the heavy end of the blade.

7.Place the Blade mounting bolt into Blade and place Blade spacers over bolt. Make certain each blade is installed with the same amount of spacers removed.

8.Install Blade mounting bolt with spacers and blade into spindle.

9.Install an equal amount of Blade spacers onto each Blade mounting bolt.

10.Install the Blade mounting nut on each Blade mounting bolt. See Figure 5.6.

11.Torque each Blade mounting bolt and nut to 70 - 80 foot-pounds.

AIR LIFT

HEIGHT

ADJUSTING

SPACERS

BLADE

BEVELED

WASHER

TIGHTEN TO 70-80

MOUNTINGFOOT POUNDS

BOLT

FIGURE 5.6

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Snapper SPLH152KW, SPLH172KW, SPA361, SPA481, SPA521, SPA611 Mower Attachment Service, Cutting Blade Service