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Cub Cadet PRO X 648 User Manual

Cub Cadet PRO X 648
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26
PRODUCT CARE
Replacing the Blades
WARNING
Before performing any maintenance, disengage the PTO, engage the parking brake lever, turn
the ignition key to the “OFF” position and remove the key from the switch. Protect your hands
by using heavy gloves when handling the blades. When servicing the mower deck, be careful
not to cut yourself on the sharpened blades.
To Remove the Blades:
1. Remove the deck as instructed in the Deck Removal section on page 24.
2. Jack up the front of the mowing deck about one foot and block it in that position.
3. Wrap a rag around one end of the blade (a) and grasp it to prevent it from turning, or secure the blade
(a) by placing a block of wood (b) between the blade (a) and the deck housing (c)
(Figure 43).
(a)
(b)
(c)
Figure 43
4. Remove the flange nut (d) and flat washer (e) securing the blade (a) to the mower (a) and remove the
blade (Figure 44).
NOTE: 36 Inch Deck Only - A cap (f) is present between the blade and the mower. Before assembly,
ensure the cap is in place before installing the blade.
(d)
(e)
(a)
(f)
Figure 44
5. If necessary, sharpen the blade. See Sharpening The Blade in the Product Care Section.
To Reinstall the Blades
1. Place blade on the spindle shaft. Be sure to install the blade with the side marked “Bottom”,
“Grass Side” or with a part number stamped facing the ground when the deck is reinstalled on the
tractor and in the operating position.
1. Carefully place the flat washer on the spindle shaft. Be sure that the splines at the base of the spindle
shaft threads line up with the washer splines (Figure 45).
Figure 45
2. Secure the blade from turning clockwise when reinstalling the flange lock nut (the opposite direction
of blade removal).
3. Install the flange lock nut onto the spindle shaft over the blade and flat washer. Torque to 110-
130 ft-lbs (149.14-176.26 N-m).
Sharpening the Blades
1. Remove the blades. See Replacing The Blade in the Product Care Section.
2. Clean any debris from the blades. Keep blades sharp and free of build up at all times.
3. To properly sharpen the cutting blades, remove equal amounts of metal from both ends of the blades
along the cutting edges, parallel to the trailing edge, at a 25°-30° angle. Always grind each cutting
blade edge equally to maintain proper blade balance (Figure 46).
Figure 46
WARNING
If a blade is bent or otherwise damaged, replace the blade with a new one. Use only original
equipment blades.
WARNING
A poorly balanced blade will cause excessive vibration, may damage the machine and/or result in
personal injury.
4. Test the blade’s balance using a blade balancer. Grind metal from the heavy side until it balances
evenly.
5. Reinstall the blades. See Replacing The Blade in the Product Care Section.
Changing the Spindle Assembly - 48, 54 and 60 inch decks only
1. Remove the deck as instructed in the Deck Removal section on page 24.
2. Jack up the front of the mowing deck about one foot and block it in that position.
3. Remove the deck cover.
4. Remove the drive belts. See Replacing the Deck Belt on page 25.
5. Remove the blade. See Replacing the Blades on page 26.
6. To remove the left and right spindle assemblies (Figure 47):
g. Remove the hex flange bolts (a) and flat washers (b) securing the left and right spindle pulleys (c) to
the spindle assembly (d).
h. Remove the six (6) flange lock nuts (e)securing the left and right spindle assemblies (d) and the
support plates (f) to the deck shell (g).
(e)
(g)
(f)
(c)
(d)
(a)
(b)
Figure 47
9. To remove the left and right spindle assemblies (Figure 48):

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Cub Cadet PRO X 648 Specifications

General IconGeneral
BrandCub Cadet
ModelPRO X 648
CategoryLawn Mower
LanguageEnglish

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