Sharpening Blades, Balancing Blades | Great Dane GBKW2552S instruction

SERVICE MOWER

IMPORTANT: Avoid damage! When replacing mower blades, always use genuine Great Dane Service Parts.

NOTE: Only replace blades. Never straighten or weld them.

Checking Mower Blades

1.Park machine safely. (See Parking Safely in the Safety Section).

2.Raise the mower deck to the transport position (also the 12.7 cm [5 in.] cutting height position).

3.Raise front of machine with a safe lifting device.

•Support with jack stands and/or wooden blocks. 4.Check mower blades:

•Mower blades should be sharp and free of any damage.

•Inspect blades; sharpen/balance or replace as necessary.

Replacing Mower Blades

1.Use two long-handled 15/16 in. wrenches to loosen nut (A).

2.Remove nut (A), blade bolt (B), three 1/4 in. washers (C) and blade (D). 3.Install replacement blade:

• Blade wing must face toward top of mower deck.

IMPORTANT: Avoid damage! When installing the blade:

•Make sure the blade is properly seated on the spindle.

•Make sure the concave side of the large washer faces towards the blade.

•Install blade bolt (B), blade (D), three 1/4 in. washers (C) and nut (A).

•Tighten blade nut to 81 N•m (60 lb-ft).

4.Lower machine.

5.Adjust mower deck to a desirable cutting height.

Sharpening Blades

CAUTION: Avoid injury! Mower blades are dangerous!

•Always wear gloves while working on blades. •Always wear safety eye protection when grinding.

• Sharpen blades with grinder, hand file, or electric blade sharpener.

•Keep original bevel (A) when grinding.

•Blade should have 0.40 mm (1/64 in.) cutting edge (B) or less.

•Balance blades before installing.

Balancing Blades

CAUTION: Avoid injury! Mower blades are sharp. Always wear gloves when handling mower blades or working near blades.

1.Clean blade.

2.Put blade on nail in a vise. Turn blade to horizontal position.

3.Check balance. If blade is not balanced, heavy end of blade will drop. 4.Grind bevel of heavy end. Do not change blade bevel.

Replacing Mower Spindle Bearings

1.Park machine safely. (See Parking Safely in the SAFETY section.) 2.Remove mower blade. (See Checking and Replacing Mower Blades.)

Service Mower - 39

GBKW2561S, GBKH2752S, GBKW2552S, GBKH2761S specifications

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Great Dane GBKW2552S manual Sharpening Blades, Balancing Blades, Replacing Mower Spindle Bearings

Models: GBKW2561S GBKH2752S GBKW2552S GBKH2761S