White Outdoor LT-1850 Operator's Manual download pdf (Page 28)

RegularMaintenance

Figure 31. Blade Installation - 54" Mowers

A. 4x4 Wood Block

B. Spline Washer

C. Spring Washer

D. Blade Bolt

CHECK MOWER BLADE TIMING -

40" MOWERS

Service Interval: Yearly

1. Turn the PTO OFF, engage the parking brake, turn

the engine off, and remove the key. Remove the

mower deck (see "Mower deck removal").

2. Turn the mower deck over and check the position of

the blades. The blades must be positioned perpen-

dicular to each other as shown in Figure 31. If not,

proceed to step 3.

3. Use a block of wood (B, Figure 28) to prevent blade

rotation while loosening the capscrew.

4. Remove the capscrew (A, Figure 32), spring washer

(F), and spline washer (G).

5. Remove the alignment pin (E, Figure 32). Rotate the

blade (D) manually until the blades are perpendicular

to each other as shown in Figure 33. It may be nec-

essary to remove and rotate the blade adapter (C) to

align the blade hole and adapter hole.

6. Reinstall the alignment pin (E), spline washer (G),

spring washer (F) and capscrew (A). Use a wooden

block (B) to prevent blade rotation while tightening

the capscrew (A) to 61-75 N.m (45-55 ft. Ibs.).

Figure 32. Blade Installation - 40" Mowers

A. Blade Mounting Capscrew

B. 4x4 Wood Block

C. Blade Adapter

D. Blade

E. Alignment Pin

F. Spring Washer

G. Spline Washer

Figure 33. Check Blade Timing

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 99 100

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White Outdoor LT-1850 Operator's Manual Page 28