Toro Sand Pro 5040 Service Manual page 84

17.If hydraulic fittings are to be removed from hydrostat,
mark fitting location and orientation to allow correct as-
sembly. Remove fittings from hydrostat.
Installation (Fig. 47)
1. If fittings were removed from hydrostat, install fittings
with new o–rings to hydrostat using marks made during
the removal process to properly orientate fittings.
2. If fan was removed from hydrostat, apply antiseize
lubricant to bore of fan hub. Position key in hydrostat
shaft slot and slide fan hub fully onto shaft. Make sure
that fan hub shoulder bottoms on shaft. Apply Loctite
242 (or equivalent) to threads of fan hub set screws.
Torque both set screws from 90 to 110 in–lb (10.2 to 12.4
N–m) to secure fan to the hydrostat shaft.
IMPORTANT: Make sure not to damage the hydros-
tat, hydrostat coupling, fuel and hydraulic lines,
electrical harness or other parts while installing the
hydrostat to the machine.
3. Install hydrostat to machine as follows:
A. Apply antiseize lubricant to bore of pump hub.
Place square key into slot on the hydrostat shaft.
B. Align hydrostat shaft to pump hub. Slide hydros-
tat toward the rear of machine until hydrostat flange
holes align with holes in engine support. Take care
not to damage the hydrostat coupling.
C. Install two (2) socket head screws and lock nuts
to secure hydrostat to engine support.
D. Position pump hub on hydrostat shaft so that rub-
ber pump couplings are not distorted. Pump hub
should have a minimum gap of .060" (1.5 mm) to the
hydrostat housing.
E. Apply Loctite 242 (or equivalent) to threads of
pump hub set screws. Tighten both set screws on the
pump hub to secure hub to the hydrostat shaft.
Torque set screws from 90 to 110 in–lb (10.2 to 12.4
N–m).
Hydraulic System
4. Remove plugs and caps placed in hoses and fittings
during hydrostat removal.
5. Position new o–rings and correctly connect hydraulic
lines to fittings on hydrostat. Use labels placed during
the removal process to properly install hoses to hydros-
tat.
6. Install oil cooler to machine (see Oil Cooler Installa-
tion in this section).
7. Secure traction rod to pump lever with cap screw,
lock nut and flat washer.
8. Connect traction neutral switch connector to ma-
chine wire harness.
9. Install hydraulic oil filter (see Operator's Manual).
10.Fill hydraulic tank with correct hydraulic oil (see Op-
erator's Manual).
11. Operate machine functions slowly until air is out of
system (see Charge Hydraulic System in this section).
12.Check and adjust traction neutral position (see Oper-
ator's Manual).
13.Check and adjust traction neutral switch (see Opera-
tors Manual).
14.Check traction rod adjustment (see Pump Control
Assembly in this section). Adjust if necessary.
15.Position center shroud to frame and secure with two
(2) cap screws and flat washers (Fig. 48).
Page 4 – 56
Sand Pro & Infield Pro 3040/5040