Tuff Torq K92 Hydrostatic Transaxle
1. Disconnect solenoid connector (F) from wiring harness.
(Fig. 7)
2. Remove nut (A) and O-ring (B). (Fig. 8)
Fig. 8, Solenoid Coil Disassembly
3. Remove solenoid cover (C), O-ring (D), and
solenoid coil (E). Note order and direction of valve
components for reassembly.
4. Remove solenoid armature assembly. (Fig. 9)
5. Carefully remove valve components from PTO cover.
NOTE: Check bottom of bore for “wave” washer.
6. Clean and inspect parts for damage. Replace if
neces-sary.
7. Place wave washer in case cover.
Disassembly, Inspection and Assembly:
NOTE: Sleeve and spool must be replaced as a set.
IMPORTANT: Avoid damage! Be sure large land (H) on sleeve
and oil hole in spool are facing away from PTO case cover.
Fig. 9, PTO Solenoid Armature Disassembly
A - Wave Washer
B - Spool
C - Sleeve
D - O-ring
E - Flats
F - Solenoid Armature
G - Gasket
H - Large Land on Sleeve
I - Oil Hole
J - Spring
1. Disassemble PTO solenoid valve.
2. Inspect parts for wear or damage.
3. Install spool into sleeve so the end with the oil hole
is toward the large land on the sleeve.
4. Place spring into recess in end of spool.
5. Install sleeve assembly so smaller lands go into the
PTO cover first.
6. Install gasket and O-ring.
Fig. 10, Solenoid Coil
7. Tighten solenoid armature to 22 N•m (195 lb-in.).
8. Slide solenoid coil (M) onto solenoid armature.
Install O-ring (L) and plastic nut (N) (do not tighten
plastic nut at this time.) (Fig. 10)
5
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