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Groundsmaster 5900/5910 Cutting DecksPage 8 -- 11
4. Using appropriate socket wrench, rotate idler arm
away from drive belt to release belt tension. Remove
drive belt(s) from deck pulleys.
5. Insert nut driver or small piece of pipe onto the end
of the torsion spring for the idler arm.
CAUTION
Be careful when removing tension from the idler
arm torsion spring. The spring is under heavy
load and may cause personal injury.
6. Carefullypushthe torsion spring end down andaway
from the idler arm to unhook the spring from the arm.
7. Remove snap ring that retains idler arm assembly to
cutting deck.
8. Remove idler components as needed using Figure
6 as a guide. Note location of washer(s), idler spacer,
lock nut and screw as idler assemblies are being re-
moved (Figs. 6 and 7).
Installation (Fig. 6)
1. Install removed idler components using Figure 6 as
a guide. Secure idler arm assembly to cutting deck with
snap ring.
2. Insert nut driver or small piece of pipe onto the end
of the torsion spring for the idler arm.
CAUTION
Be careful whenapplying tensionto the idler arm
torsion spring. The spring is under heavy load
and may cause personal injury.
3. Carefully push down on the torsion spring end to get
the spring under the idler arm mounting plate. Then re-
lease the spring slowly to lock it into place.
4. Using appropriate socket wrench on idler arm to re-
lease drive belt tension, position drive belt(s) to deck
pulleys. Make sure that idler pulley tensions the back
side of the belt.
5. On front deck, make sure that clearance between
high idler arm and stop bolt is from 0.100” to 0.160” (2.5
to 4.0 mm) (Fig. 8). If necessary, adjust jam nut location
on stop bolt to allow proper clearance.
6. Install deck covers to cutting deck.
1. Screw
2. Flat washer
3. Idler pulley
4. Idler spacer
5. Low idler arm
6. Lock nut
7. High idler arm
Figure 7
1
2
3
6
4
5
7
1
3
6
4
WING DECK IDLER ARMS
1. High idler arm
2. Stop bolt
3. Jam nut
Figure 8
2
3
FRONT DECK
1
(2.5 to 4.0 mm)
0.100” to 0.160”
Cutting Decks