Cleaning Press Components SWMS

Cleaning press components — blankets, rollers, ink fountains, impression cylinders and dampening systems — is a routine but high-risk task on offset, flexographic and letterpress equipment. Operators handle volatile solvents such as low-aromatic blanket wash, isopropyl alcohol fountain solution and proprietary roller deglazers, while working close to nip points and stored rotational energy. Under the WHS Regulation 2025, this activity meets the threshold for documented safe work procedures because it combines hazardous chemicals (Chapter 7), plant requiring isolation (Chapter 5) and reasonably foreseeable risk of musculoskeletal and dermal injury. A Safe Work Method Statement is mandatory where the cleaning sequence intersects with high-risk construction work criteria or where the PCBU's risk assessment identifies stored energy, confined access between cylinders, or Group 3/4 carcinogenic solvent constituents. This SWMS provides a defensible, auditable control framework aligning section 291 HRCW triggers with the hierarchy of control and AS/NZS RPE, electrical isolation and hazardous chemicals codes of practice.

Hazards identified

7 hazards covered, sorted by priority.

Control measures

Hierarchy-of-controls order: elimination → substitution → isolation → engineering → administrative → PPE.

1. 1Elimination — Schedule deep cleans during planned shutdowns so dismantled rollers can be cleaned at a dedicated bench, removing the in-press cleaning hazard entirely where reasonably practicable.
2. 2Elimination — Specify automatic blanket and roller wash systems on new press purchases to eliminate hand cleaning of rotating components between print runs wherever feasible.
3. 3Substitution — Replace high-VOC aromatic blanket washes with low-aromatic vegetable-ester or water-miscible alternatives below 100 g/L VOC, verified against SDS Section 9 data.
4. 4Substitution — Use pre-saturated solvent wipes from sealed dispensers instead of decanted solvent and loose rag to reduce inhalation and spill exposure during touch-up cleaning.
5. 5Engineering — Apply full lockout-tagout to mains isolator, dissipate pneumatic and hydraulic stored energy, and verify zero-energy state per AS 4024.1603 before any guard removal.
6. 6Engineering — Maintain local exhaust ventilation at ink fountains and provide bunded UN-approved waste-rag bins with self-closing lids emptied to licensed waste contractor daily.
7. 7Administrative — Conduct documented pre-start brief using this SWMS, confirm SDS review, verify exposure standards under the Workplace Exposure Standards (WES) instrument and sign on all workers.
8. 8Administrative — Restrict cleaning to trained, competency-assessed operators; prohibit lone working on dismantled press states and enforce two-person verification of isolation locks.
9. 9PPE — Issue nitrile or laminated-film chemical gloves selected per AS/NZS 2161.10.3 breakthrough data for the specific solvent, plus chemical splash goggles to AS/NZS 1337.1.
10. 10PPE — Provide half-face respirators with A1 organic-vapour cartridges fit-tested to AS/NZS 1715, escalating to A2P2 where deep solvent flushing or confined cylinder access occurs.

Applicable Codes of Practice

Worked example

At a mid-sized metropolitan commercial print facility, a four-colour sheet-fed offset press is scheduled for a Friday afternoon deep clean between job runs. The shift supervisor opens this SWMS at the pre-start huddle and walks the two assigned operators through the seven hazards, with particular focus on inadvertent start-up and solvent inhalation given the deglazer is being used on the dampening rollers. The crew confirms the SDS for the low-aromatic blanket wash is current, reviews the WES for the hydrocarbon blend, and selects laminated-film gloves and A1 organic-vapour half-face respirators previously fit-tested. The lead operator applies their personal lock to the mains isolator, bleeds the pneumatic clutch line, and the second operator verifies zero energy with a test start before signing the isolation tag. Both workers sign on to the SWMS register. Midway through cleaning, the operators notice the LEV capture at the ink duct is underperforming because a side guard has been left open, increasing breathing-zone vapour. They pause work, close the guard to restore extraction, and the supervisor annotates the SWMS field-change log noting the deviation and corrective action before cleaning resumes — demonstrating dynamic risk management consistent with WHS Regulation 2025 consultation duties.

Related legislation

• WHS Act 2011 (model)
• WHS Regulation 2025
• AS 2550 — Cranes, hoists and winches; AS 1418 series

Frequently asked questions