Toro Groundsmaster 5900 Series Service Manual page 446

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1. Impact arm housing
2. Pivot hub
3. Flange bushing (2)
4. Bolt
Impact Arm Removal
Impact Arm Disassembly
Impact Arm Assembly
Chassis: Service and Repairs
(For machines serial number above 403450001)
5. Flat washer
6. Lock nut
7. Flange bushing
8. Thrust washer
(Figure 310 and Figure
1. Park machine on a level surface, lower cutting decks, stop engine and
remove key from the key switch.
2. Remove cap screw (item 26) and lock nut that secures rod end of impact arm
to cutting deck connection. Locate and remove spacers from each side of
rod end.
3. Remove lock nut (item 6) and flat washer from pivot shaft. Slide pivot shaft
from pivot hub and impact arm housing, and remove impact arm assembly
from machine.
(Figure 310)
1. Disassemble wing deck impact arm assembly as necessary.
2. Thoroughly clean impact arm components and inspect for worn parts.
Replace components as needed.
(Figure 310)
1. Slide washer (item 17), compression spring (item 18), second washer (item
17), plastic bearing (item 19), third washer (item 17), flat washer (item 20)
and one jam nut (item 21) onto spring shaft. Tighten jam nut so that spring
length is 30.4 cm (12 in).
2. Fit housing (item 13) over rod end of assembled spring shaft assembly and
insert assembly into impact arm housing.
3. Temporarily secure housing (item 13) to impact arm housing with two (2)
cap screws and lock nuts.
Figure 311
10.
11.
12.
311)
Page 7–32
9. Thrust washer
Cap screw
Flange nut (4)
Spacer
Groundsmaster
16227SL Rev B
® 5900 & 5910