Toro Greensmaster Flex 21 Service Manual page 50

3. Pivot mower back and position traction drum assem-
bly under the mower. Pivot mower back down.
4. Position drum spacers on sides of drum.
5. Insert bar stock or other suitable tool through spokes
of drum to keep drum from turning.
NOTE: The left side drum shaft has left hand threads
(Fig. 29).
6. Apply anti–seize lubricant to drum shaft (item 6)
threads and install shafts through bearings, spacers and
into drum. Torque drum shafts from 65 to 75 ft–lb (88 to
102 N–m).
7. Tighten the fasteners that secure the bearing flan-
gettes (item 7) to the machine frame. Tighten the bear-
ing set screw to secure the bearings to the drum shafts.
Torque set screws from 40 to 50 in–lb (4.5 to 5.7 N–m).
Traction and Reel Drive System (Rev. C)
NOTE: The left side drum pulley has left hand threads
(Fig. 29).
8. Apply anti–seize lubricant to the external threads of
the drum shafts. Secure both drum pulleys (item 2) to the
drum shafts.
NOTE: The right side wheel shaft has left hand threads
(Fig. 29).
9. Apply Loctite #242 (or equivalent) to the threads of
the transport wheel shafts (item 1). Install wheel shafts
into drum drive shafts. Torque wheel shafts from 45 to
55 ft–lb (61 to 75 N–m).
10.Install traction belts and adjust belt tension (see
Traction Drive Belt Replacement in this section).
11. Install transport wheels if they were attached (see
Wheels in the Service and Repairs section of Chapter 6
– Chassis and Controls).
Page 4 – 22 Greensmaster Flex 21