DR Power Walk-Behind Pro (1985 - 2000) - Manual (Page 31)

DR
®
TRIMMER/MOWER
™
Assembly & Operating Instructions 29
To Partially Lower the Bearing Housing Assembly
(to remove debris)
WARNING: Before performing any maintenance procedures, the engine should be stopped
and the spark plug wire disconnected.
Tools Needed:
• 1/2" socket
• 1/2" wrench
If possible, set the machine up on a bench. Do not tip the machine all the way back on its handlebars
unless you have drained the gas and oil.
1. Remove the three bearing housing nuts (Figure 36) and carefully lower the bearing housing
assembly (Figure 37) from the frame. Brush out any dirt and debris and check the pulley for
burrs or dents.
2. Replace the bearing housing assembly and tighten the bolts.
Note: If the belt comes off, please refer to the instructions on page 31 to ensure proper positioning.
To Check the Bearing Housing Assembly for Damage
WARNING: Before performing any maintenance procedures, the engine should be stopped
and the spark plug wire disconnected.
Tool Needed:
• 1/2" wrench
If the trimmer head doesn't rotate when you engage the brake bar, try the following test:
1. Leaving the Mow-Ball
™
Support assembly in place, loosen and remove the three bearing housing
nuts and lower the bearing housing from the frame (Figures 36 & 37).
Figure 36 Figure 37