bar 120 BAR4023CG-HEC 2, Operator'S Manual, Page: 6 / 44

PRESSURE CLEANER
OPERATOR’S MANUAL
RISK ASSESSMENT
4
Do’s and Don’ts
DO
Contact site engineer, obtain necessary permits and note special precautions.
Erect barriers, rope off the clear area. Erect warning signs.
Ensure adequate, clean water supply.
Check fluid levels on engine, gearbox and pump. (Oil, fuel and water).
Lay out equipment and visually inspect for damage. (Hoses, connections, etc.)
Assemble equipment checking all joints.
Ensure filters are clean.
Fully prime equipment and bleed where necessary.
Fit gun or lances and/or control valves. Visually check that correct size and type of nozzle is
fitted for the application.
Increase pressure slowly until operating conditions are reached.
Re-check hose couplings and joints for leaks.
Rectify all leaks, ensuring that the unit is shut down and line pressure released before making
adjustments.
Ensure all operators are wearing suitable protective clothing and are correctly positioned.
Regularly check operating conditions. (Oil and water pressure, condition of filters, pipework
and hoses).
Ensure that all pressure in lines is released on any shutdown.
On completion, strip down equipment and store in a clean condition.
Clear the site of barriers, warning signs and debris, to customers' satisfaction.
On completion, ensure that customer has signed the necessary paperwork. (Satisfaction
notes, work sheets, etc.)
DO NOT
DO NOT commence work on site without necessary permission.
DO NOT commence any jetting operation until warning signs are on show and area roped off.
DO NOT operate without adequate personal protection for eyes, head, ears, hands, feet and
body.
DO NOT run any equipment with any leakage whatsoever without rectifying.
DO NOT attempt to tighten any pressure joint whilst equipment is under pressure.
DO NOT by-pass safety cut-outs. Do check reasons for malfunction. (Low water, blocked
filters, low oil level, etc.)
DO NOT operate with guns and control valves not functioning correctly. (Failing to shut off, or
leaking).
DO NOT operate guns or control valves with the operating lever tied back, wedged or locked
in the on position.
DO NOT direct the water jet at any person or animal.
DO NOT direct the water jet towards materials containing asbestos.
DO NOT operate with badly worn or undersized nozzles.
DO NOT continue to operate if any unauthorized personnel enter the operating/work area.
DO NOT operate equipment at power levels which can produce a reaction force greater than
the operator can comfortably absorb. (250N is advised as a maximum)
DO NOT leave unit running unattended.
DO NOT leave equipment unattended on site.
DO NOT store unserviceable equipment. (Notify supervisor.)
DO NOT leave the site in a dangerous or untidy condition.
DO NOT leave site without notifying all parties. (Engineers, site agents, occupiers, etc.)