MASSEY FERGUSON 1693685, Operator'S Manual

Page: 45 / 66

D-9
5. Remove the alignment pin (L). Rotate the blade (K)
manually until the blades (F) are perpendicular to each
other as shown. It may be necessary to remove the hub (J)
to rotate the blade.
6. Reinstall the alignment pin (L), flat washer (M), spline
washer (N), spring washer (O) and capscrew (P). Use a
wooden block (H) to prevent blade rotation while tightening
the capscrew (G) to 61-75 N.m (45-55 ft. lbs.).
G
H
Check mower blade timing
Mower blades are sharp. For your personal
safety, do not handle the mower blades with
bare hands. Careless or improper handling of
blades may result in serious injury.
For your personal safety, blade mounting capscrews
must each be installed with a spline washer and a
spring washer, then securely tightened to 61-75 N.m
(45-55 ft. lbs.).
Mower blades must be timed perpendicular to each other.
NOTE: Flat washer (M) is not used on models with serial
number 02000-up.
Service interval: Yearly
1. Turn the PTO to the off position, 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 (F) must be positioned perpendicular to
each other as shown. If not, proceed to step 3.
3. Use a block of wood (H) to prevent blade rotation while
loosening the capscrew (G).
4. Remove the capscrew (P), spring washer (O), spline
washer (N) and flat washer (M).
P
N
O
M
L
K
J
P
N
O
L
K
J
Serial No. 00001-01999 Serial No. 02000-Up
F