Clark NPR17 - Page 93

Section 6. Planned Maintenance
Parking Brakes
Operate parking brakes; multifunction handle for all hydraulic controls—
lift, tilt, reach and side shift (if installed); directional controls; and steering
system. Be sure all controls operate freely and return to neutral properly.
The NPR 17-20 Reach truck is equipped with hydraulic release/spring
applied brakes. This brake system along with all types of brake systems
need periodic checks to see if everything is working properly.
To check the brake system. Push the brake pedal fully down and hold.
The brakes should be released when the pedal reaches the floorplate.
To check brake holding capability and adjustment, park the lift truck on
a grade and release the brake pedal. The brake should hold a lift truck
with rated load on a 5% grade. When the pedal is depressed the brakes
should not drag. If you have a malfunction report the failure immediately.
Do not operate the truck until the brakes are repaired.
The brake master cylinder is located underthe floor board, it is supplied
with fluid from the brake fluid reservoirthat is located in the left side door.
The brake system should be checked between 50 to 250 operating
hours.
CAUTION
Do not operate a lift truck if the parking brakes is not
operating properly.
Functional Tests 6-17