user manual

Groundsmaster 4100--D Cutting DeckPage 8 -- 2 1
Removal (Fig. 20)
1. Park machineon alevels urface, lowercutting 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 springhook toolto unhookthe idlerspring (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(item10)tocuttingdecktoallowclearancebetween
idler arm and stop bolt.
6. Remove idler components as needed using Figure
20asaguide.Notelocationofwashers,idlerspacerand
screw as idler assemblies are being removed.
Installation (Fig. 20)
1. InstallremovedidlercomponentsusingFigure20as
a guide.
A. Make sure that one(1)thrust washer (item 19)is
placedbelowtheidlerarmandthree(3)thrustwash-
ers are placed between the idler and retaining ring
location.
B. Secure idler arm assembly to cutting deck with
snap ring.
C. Ifidlerstopbolt(item10)wasremovedfromdeck,
makesurethatitisinstalledintheholethatallowsthe
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
onidlerarm.Withthe idlerarmtensioningthedrivebelt,
the spring hookto hook length should befrom 3.250” to
3.750”(82.6to 95.2mm)(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. 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