Operators Manual

16-English
CONTROLS
Blade Brake Control (BBC)
Models: W21SBK, W53SBEK
The Blade Brake Control (BBC) engages the
blade drive. The Operator Presence Control
(OPC) must be engaged and the engine
running to engage the BBC.
Illustration shows ground speed bail engaged
to operate in transport mode. release ground
speed bail to prevent movement.
To engage BBC, press the control forward as
shown in illustration.
To stop blade from turning release OPC as
shown in illustration.
Illustration shows ground speed bail in
engaged position.
2. BBC
1
2
1. OPC
3. Ground speed bail
3
Operator Presence Control
8019-037
1
2
3
1. OPC
2. BBC control
3. Ground speed bail
Engage BBC
8019-021
Stop Blades 8019-023