MAINTENANCE

WARNING: WHEN SERVICING USE ONLY IDENTICAL RYOBI REPLACEMENT PARTS. USE OF ANY OTHER PARTS MAY CREATE A HAZARD OR CAUSE PRODUCT DAMAGE.

TIMING BELT REPLACEMENT

DISCONNECT SANDER FROM POWER SUPPLY BEFORE SERVICING.

WHEN REPLACING TIMING BELT USE RECOMMENDED REPLACEMENT BELT ONLY. See Parts List, Page 11.

1.Remove sanding belt from sander. See installing and adjusting sanding belt, Page 6. NOTE: REMOVING THE

SANDING BELT WILL SIMPLIFY THE PROCESS OF INSTALLING YOUR NEW TIMING BELT.

2.Remove the two belt cover screws. Then remove the belt cover. See Key Numbers 1 and 2 on exploded view and parts list, pages 10 and 11.

3.Force old belt from small pulley with a screwdriver and remove it from large pulley. If it is worn out, simply cut the old belt and remove it.

4.Install new belt over large pulley first. See Figure 10.

5.Holding the belt as shown in Figure 11, press the belt onto the small pulley. NOTE: TO SIMPLIFY THE PROCESS,

TURN THE LARGE PULLEY AS YOU PRESS THE BELT ONTO THE SMALL PULLEY.

6. Reassemble belt cover and screws.

CAUTION: NEVER ATTEMPT TO OPERATE YOUR SANDER WITHOUT BELT COVER IN PLACE. FAILURE TO DO SO COULD RESULT IN POSSIBLE SERIOUS INJURY.

SMALL

PULLEY

LARGE

PULLEY

BELT COVER

BELT

 

COVER SCREWS

Fig. 10

APPLY PRESSURE

HERE AND TURN LARGE PULLEY

Fig. 11

EXTENSION CORDS

The use of any extension cord will cause some loss of power. To keep the loss to a minium and to prevent tool from overheating, follow the recommended cord sizes on the table. Every 230 volt flexible extension cord shall be of heavy duty sheathed type to comply with AS3199, Approval and Test Specification, Cord Extension Sets. When working with your tool outdoors, use an extension cord suitable for outdoor use and so marked.

Cord extension

Conductor area sq.

Maximum length of

flexible cord

set rating

mm

m

 

 

 

10

1.0

25

10

1.5

32

15

1.5

25

15

2.5

40

20

2.5

32

20

4.0

40

CAUTION: Keep extension cords away from the sanding area and position the cord so that it will not get caught on lumber, tools, etc., during sanding.

WARNING: CHECK EXTENSION CORDS BEFORE EACH USE. IF DAMAGED REPLACE IMMEDIATELY. NEVER USE TOOL WITH A DAMAGED CORD SINCE TOUCHING THE DAMAGED AREA COULD CAUSE ELECTRICAL SHOCK RESULTING IN SERIOUS INJURY.

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Ryobi B850 specifications Maintenance, Timing Belt Replacement, Extension Cords
Page 7 Page 9

B850 specifications

The Ryobi B850 is a powerful tool designed for both novice and experienced DIY enthusiasts who seek high performance and reliability in their projects. This versatile cordless tool is equipped with a range of features and technologies that make it suitable for various applications, whether for light home repairs or more demanding tasks.

One of the standout features of the Ryobi B850 is its robust motor, which delivers impressive torque and speed. This makes it capable of drilling through tougher materials such as hardwood and metal with ease. The variable speed settings allow users to customize the tool's performance based on the specific requirements of the task at hand, providing added control and precision.

The ergonomic design of the Ryobi B850 ensures comfort during prolonged use. The tool's grip is engineered to reduce fatigue, enabling users to maintain higher productivity levels. Additionally, the lightweight construction of the tool enhances maneuverability, making it easier to handle in tight spaces or when working at awkward angles.

Battery life is a critical aspect of any cordless tool, and the Ryobi B850 does not disappoint. It is compatible with Ryobi's ONE+ battery system, which means that users can interchange batteries across a wide range of Ryobi tools. This feature eliminates the need for multiple chargers and allows for extended use without interruptions.

This model is also equipped with advanced safety features that enhance user protection. The built-in LED work light illuminates dark work areas, ensuring better visibility when drilling or driving screws. The safety lock mechanism prevents accidental activation, which is particularly beneficial during transport or storage.

Furthermore, the Ryobi B850 incorporates innovative technologies such as Brushless motor technology, which provides longer runtime, increased durability, and less maintenance compared to traditional brushed motors. This technology contributes to improved efficiency and power delivery, making the B850 a reliable choice for all types of projects.

In summary, the Ryobi B850 combines power, versatility, and user-friendly features, making it an exceptional tool for any toolkit. Its cutting-edge technologies, ergonomic design, and compatibility with the ONE+ battery system highlight Ryobi's commitment to quality and innovation in the realm of power tools. Whether for home projects or professional use, the Ryobi B850 is designed to meet diverse user needs, transforming the way you approach DIY tasks.
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