Toro Groundsmaster 1200 Service Manual page 94

Pull-behind rotary mower
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Installing the Idler Assembly
Cutting Units: Service and Repairs
1. Assemble the idler components as shown in
2. If removed, install the flat washer (6) over the idler pivot (14).
The spring is under heavy load and can cause personal injury.
Be careful when applying the tension from the torsion spring of the
idler arm.
3. For additional leverage, slide nut driver or small piece of pipe onto either end
of the idler arm torsion spring (5). Apply enough load against the torsion
spring to release it from the spring stop or the idler arm and carefully lower
the idler assembly all the way onto the idler pivot (14). Slowly release the
torsion spring against the spring stop and idler arm.
4. Secure the idler assembly to idler pivot with retaining ring (2).
5. Use a ⅜" or ½" drive ratchet or breaker bar to relieve idler pulley tension and
install drive belt. Ensure that the idler pulley applies tension against the
back side of the belt.
6. Install the cutting unit covers to the cutting unit.
CAUTION
Page 6–10
Groundsmaster® 1200 Pull-Behind Rotary Mower
Figure
46.
18235SL Rev A

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