Removing the Drum Drive Idler Assembly (continued)
5. Remove the 7 washer-head screws (item 1 in
) that secure the
drum drive cover, and remove the cover to expose the drum drive system.
6. Remove and discard the gasket (item 17 in
) from the cover and
housing.
7. Carefully remove the end of the extension spring (item 4 in
) from
the idler arm.
8. Remove the shoulder screw (item 10 in
) that secures the idler arm
assembly to the drum drive housing, and remove the idler arm assembly
from the housing.
g203652
Figure 32
1.
Flange bushing (2 each)
3.
Retaining ring
5.
Idler bracket
2.
Idler pulley
4.
Ball bearing (2 each)
9. Disassemble the idler arm assembly as necessary (
). Replace the
bearings and bushings that are worn or damaged.
A. Remove the flange bushings from the idler bracket.
B. Remove the retaining ring from the idler bracket. Slide the idler pulley
from the bracket shaft. Press the ball bearings from the idler pulley.
Installing the Drum Drive Idler Assembly
1. If the idler arm assembly was disassembled (
), do the following
steps:
A. Press new flange bushings into the idler bracket.
B. Press new ball bearings fully into the idler pulley and ensure to apply
pressure to the outer bearing race only. Slide the pulley assembly onto
the idler bracket and secure with a retaining ring.
2. Position the idler arm assembly to the drum drive housing and secure with a
shoulder screw (item 10 in
). Torque the shoulder screw to
21 to
23 N∙m (15 to 17 ft-lb)
. Check that the idler arm assembly can pivot freely
after you tighten the shoulder screw.
3. Carefully secure the end of the extension spring (item 4 in
) to
the idler arm.
4. Ensure that the wave washer (item 2 in
) is pressed into the bore of
the drum drive cover.
5. Position new gasket (item 17 in
) to the housing surface.
Greensmaster
®
eFlex 1800, 2100 and 2120
Page 4–25
Traction and Reel Drive System: Service and Repairs
12189SL Rev E