Figure 641. Parking brake lever 3. Set screw2. Knob2. Rotate the knob until a force of 35-45 lb isrequired to actuate lever.3. Tighten the set screw.Belt MaintenanceServicing the Drive BeltChecking the Drive BeltCheck the condition of the drive belt after the firstday of operation and every 200 operating hoursthereafter.1. Position the sprayer on a level surface, setthe parking brake, move the range selector tothe Neutral position, stop the pump, stop theengine, and remove the ignition key.2. Rotate and inspect the drive belt for excessivewear or damage. Replace the belt if necessary.Figure 651. Drive belt 3. Secondary clutch2. Primary clutchReplacing the Drive Belt1. Rotate and route the belt over the secondaryclutch (Figure 65).2. Remove the belt from the primary clutch.3. Place the new belt over the primary clutch.4. Rotate and install it over the secondary clutch.Adjusting the SteeringPump BeltCheck the tension of the steering pump belt afterthe first day of operation and every 100 operatinghours thereafter. The belt should flex 1/4 inch (5mm) when 5 lb of force (22 N) is applied midwayon the top span.1. Park the machine on a level surface, set theparking brake, turn the ignition off, andremove the key.2. Loosen the steering pump mounting bolts(Figure 66).54