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.)
