34 Assembly
20944 (Rev. 2/3/2006)
Figure 29. P990-3 Wheel Yoke Installation
P990-3 Wheel Yoke Installation
Remove tongue from wheel yoke. See Figure 29.
Loosen the nuts on bolts (8) and pivot the wheel yoke
(1) to the rear. Install bolt (8) in each mounting bracket
and flat washers (10), secure nut (9). Tighten the hard-
ware.
P990-3 Attitude Rod and Height Adj. Installation
Place sleeve (4) between attitude rod lugs on wheel
yoke. Insert pin (3) through sleeve (4) and align the
holes. Insert attitude rod (2) through these holes. See
Figure 29.
Place pipe spacer (5) over attitude rod (2) and start
lock nut (6) on rod.
P990-3 Tongue & H-Frame Installation
Place washer (17) and sleeve (18) on bolt (16). See
Figure 30.
Place tongue assembly (1) into mast plates on mower
frame and insert bolt, washer and sleeve assembly to
hold in place. Repeat for opposite side.
Place an additional washer (17) on bolt (16), then a
lock washer (19) and nut (20). Repeat for opposite side
and tighten hardware.
Attach parking jack (21) to tongue (1) as shown.
Install ratchet adjustment link (7) between the tongue
and height adjustment post on wheel yoke using pins
provided with adjustment link. The optional hydraulic
cylinder may be installed in place of the adjustment link
(7).
Connect attitude rod (5) to tongue (1), as shown, with
clevis pin (15) and cotter pin (6).
Attach H-frame (2) to tongue (1), as shown, with clevis
pin (7) and two cotter pins (6).
Apply grease to all sides of rear driveline and slide the
rear portion of the front driveline (25) onto it.
Attach carrier bearing housing (3) into a set of H-frame
adjustment holes with clevis pin (8) and cotter pin (6).
Final adjustment will be required when mower is
attached to tractor.
Attach front drive shield (4) to carrier bearing housing
(3) with bolts (13) and lock washers (14).
Place spacer (11) between H-frame as shown and
secure with bolt (12), lock washer (10) and nut (9).
Attach driveline shield tether chains (23 & 24) to H-
frame (2). Front tether chain (22) will be attached to
tractor.
1.
Wheel yoke assembly
2.
Attitude rod
3.
1-1/4 x 3-1/4" Pin
4.
1-5/16 x 1-3/4 x 2-1/8" Sleeve
5.
3/4 x 3/4" Pipe
6.
3/4" Lock nut
7.
Ratchet
8.
5/8 x 2" Bolt
9.
5/8 Hex lock nut GR5
10. 5/8 Flat washer