Cub-cadet GT-2186-48 User Manual download pdf (Page 43)

C. MAINTENANCE

CLEANING AND BLADE CARE

WARNING

Before performing any maintenance, place the

PTO switch in the “OFF” position, engage the

brake pedal lock, turn the ignition key to the

“OFF” position and remove the key from the

switch to avoid accidental starting and injury.

WARNING

When servicing the mower deck, be careful not

to cut yourself on the sharpened blades.

Clean the underside of the mower deck at the end of

the mowing season or when buildup of cut material on

the underside is noticed. Also remove the belt covers

and remove any accumulated grass clippings.

The cutting blades must be kept sharp at all times.

NOTE

Sharpen the cutting edges of the blades evenly

so that the blades remain balanced and the

same angle of sharpness is maintained. If the

cutting edge of a blade has been sharpened to

within 5/8 inch of the wind wing radius (See

Figure 63), it is recommended that new blades

be installed. New blades are available at your

authorized dealer.

Figure 63

When removing the blades, use a 1-1/4 inch wrench to

hold the hex shaped hub of the pulley when loosening

the hex nut securing the blade. A block of wood may

be placed between the deck housing and the cutting

edge of the blade to assist in removal of the hex nut se-

curing the blade (Refer to Figure 64).

Figure 64

After replacing the blades, apply grease to the

exposed threads at the bottom of the spindle shafts to

prevent rust buildup.

When replacing the blades, be sure they are installed

so that the wind wings are pointing upward toward the

top of the deck housing. Tighten the nuts to 90 to 110

ft-lbs. (122 to 149 N·m).

NOTE

If the spindle pulley nuts are removed for any reason,

they should be retightened to 50 to 60 ft-lbs. (68 to 81

N·m) torque when replaced.

LUBRICATION

After every 10 hours of operation and/or before putting

the deck into winter storage, lubricate the spindle as-

semblies and the spindle belt idler arm with 251H EP

grease or an equivalent No. 2 multipurpose lithium

grease. Excess grease will be expelled from the invert-

ed upper seals of the spindle assemblies. Listen for

the muffled crackling noise of grease being expelled

through the seal to indicate the spindle assembly is ful-

ly greased. Refer to Figure 65.

WIND

WING

5/8" FROM

RADIUS

HEX NUT

1-1/8" WRENCH

WOOD BLOCK

IN POSITION

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 59 60

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Cub-cadet GT-2186-48 User Manual Page 43

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