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Groundsmaster 4100--D/4110--D Cutting DeckPage 8 -- 21
Removal (Fig. 20)
1. Park machine on a level surface, lower cutting deck,
stop engine, engage parking brake and remove key
from the ignition switch.
2. Remove deck covers from top of cutting deck.
CAUTION
Be careful when removing idler spring. The
spring is under heavy load and may cause per-
sonal injury.
3. Use spring hook t ool to unhook the idler spring (item
15) from the adjusting screw (item 4).
4. Remove drive belt(s) from deck pulleys.
5. Loosen flange nuts (item 11) that secure idler stop
bolt (item 10) to cutting deck to allow clearance between
idler a rm and stop bolt.
6. Remove idler components as needed using Figure
20 as a guide. Note location of washers, idler spacer and
screw as idler assemblies are being removed.
Installation (Fig. 20)
1. Install removed idler components using Figure 2 0 as
a guide.
A. Make sure that one (1) thrust washer (item 1 9) is
placed below the idler arm and three (3) thrust wash-
ers are placed between the idler and retaining ring
location.
B. Secure idler a rm assembly to cutting deck with
retaining ring.
C. If idler stop bolt (item 10) was removed from deck,
make sure that it is installed inthe holethat allows the
stop bolt head to align with the idler arm.
2. Install drive belt to pulleys.
CAUTION
Be careful when installing the idler spring. The
spring is under heavy load and may cause per-
sonal injury.
3. Use spring hook tool to attach the idler spring (item
15) onto the adjusting screw (item 4) and shoulder bolt
on idler arm. With the idler arm tensioning the drive belt,
the spring hook to hook length should be from 3.250” to
3.750” (82.6 to 95.2 mm) (Fig.21).Ifnecessary,discon-
nect spring and change position of adjusting screw.
When idler spring is the correct length, tighten second
flange nut to secure adjustment.
4. Adjust location of idler stop bolt (item 10) so that the
clearance between idler arm and idler stop bolt head is
from 0.125” to 0.185” (3.2 to 4.6 mm) (Fig. 21).
5. Lubricate idler arm grease fitting.
6. Install deck covers to cutting deck.
Figure 21
3.250” to 3.750”
(82.6 to 95.2 mm)
0.125” to 0.185”
(3.2 to 4.6 mm)
Cutting
Deck