Exmark Viking Hydro Operator's Manual page 37

d) Check the distance between the spacer and the nut at the end of the
blade brake rod. The distance should be between 1/8" (.32 cm) and 3/16"
(.47 cm). See Figure 15.
e) Engage the PTO and check to make sure the blade brake pad clears the
sheave.
5.2.7 Belt Guide Adjustment:
a) Stop engine and wait for all moving parts to stop. Remove key or spark
plug wire(s).
b) Engage the PTO.
c) Check belt guides under the engine deck for proper adjustment (See
Figures 16 and 17). Adjust as necessary.
Note: These drawings are viewed from underneath the engine deck
FIGURE 16
32" & 36" BELT GUIDE LOCATION
5.2.8 Pump Drive Belt Tension Adjustment:
No adjustment necessary.
5.2.9 Hydro Drive Linkage Adjustment:
a) Adjust Speed Control Linkage and neutral safety switch
1. Stop engine and wait for all moving parts to stop.
2. Move the speed control lever (located on the console) to the full
forward position and check the orientation of the tabs on the ends of
the speed control crank (Figure 19). These tabs should be pointing
straight down at the 6 o'clock position or slightly forward. Adjust the
threaded yoke at the bottom of the speed control linkage (See Figure
19) until the tabs are positioned correctly.
FIGURE 15
BLADE BRAKE ADJUSTMENT
- 32 -
(.32 - .47 cm)
FIGURE 17
48" BELT GUIDE LOCATION