Textron JACOBSEN GP400, Technical/Repair Manual

Page: 306 / 354

8-34 4252490-Rev A
CUTTING UNITS
8
Reel Bearing Housing Assembly
Removal and Installation—Drive Side
See Figure 8-36.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove cutting unit from the mower. (See “Cutting
Unit” on page 8-22.)
3. Remove grass shield. (See “Grass Shield” on
page 8-32.)
4. Remove reel motor. (See “Reel Motor” on
page 8-28.)
Figure 8-36
5. Remove grease fitting (6).
6. Remove snap ring (4).
7. Remove four mounting screws (3), lock washers (2),
and nuts (1).
8. Remove reel bearing housing assembly (7) using
reel bearing housing puller (Jacobsen PN JAC5085).
9. Inspect reel shaft (8) for wear or damage. Replace
reel if needed. (See “Reel Assembly” on page 8-37.)
Installation Notes
• Install reel bearing housing assembly by reversing
the order of removal.
• Use bearing assembly tool (Jacobsen PN JAC5084)
to install reel bearing housing assembly onto reel
shaft.
• Inspect bearing (5) for wear or damage. Replace as
needed.
• Pack bearing (5) with grease that meets or exceeds
NLGI Grade 2 LB specifications before assembly.
• Tighten mounting screws (3) to 18–22 lb-ft (24.4–
29.8 N·m).
• Lubricate grease fitting (6) with grease that meets or
exceeds NLGI Grade 2 LB specifications. Clean
grease fitting before lubricating and apply grease to
the fitting with a hand grease gun only. Pump the gun
slowly until a slight amount of pressure is felt, then
stop—do not over-grease. Do not use compressed
air gun.
• Adjust bedknife-to-reel clearance prior to installing
cutting unit to mower. (See “Bedknife-to-Reel
Clearance Adjustment” on page 8-17.)
Disassembly and Assembly
See Figure 8-37.
Figure 8-37
Required Tools or Equipment
• Bearing Assembly Tool
(Jacobsen PN JAC5084)
• Reel Bearing Housing Puller
(Jacobsen PN JAC5085)
TN3418
7
2
3
6
5
4
1
8
1 Bearing Cup and Cone 4 Reel Bearing Housing
2 Grease Seal 5 Grease Fitting
3 Vent Fitting
TN0940
5
4
2
3
1