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SIMAQ

5-minute training

5 min

How to use the trench roller

A remote-control trench roller compacts trench floors and backfill in clay soil while the operator drives it from outside, at a safe distance. The SIMAQ SQRPTRC L202 has padfoot drums, a 20 HP Honda GX690 engine and an articulated joint to steer around obstacles. Work in 20–30 cm lifts with 4–6 overlapping passes, always keeping the machine in sight.

Also called: trench roller, padfoot roller, remote-control roller

Remote-control padfoot trench roller: compacts the trench floor in cohesive soil with the operator at a safe distance.

  1. 01

    Charge the remote

    Check the transmitter battery and that the infrared beam between remote and machine is clean and aligned.

  2. 02

    Levels and drums

    Engine and hydraulic oil. Padfoot lugs free of packed-in material between them.

  3. 03

    Operate from outside the trench

    Lower it by sling from the lifting point and drive from the surface. Never inside the trench with the machine.

  4. 04

    Lifts and passes

    20–30 cm lifts, 4–6 overlapping passes. The padfoot kneads cohesive soil from the bottom up.

  5. 05

    Use the articulated joint

    The articulated joint steers around covers and obstacles without tearing up fresh work. Smooth turns.

Do this

  • Keep the machine in sight at all times.
  • Respect the remote's range; don't drift too far.
  • Clean the padfoot lugs at the end of the shift.

Avoid this

  • Don't climb into the trench to adjust it while running.
  • Don't use it as a finish smooth roller: it leaves lug marks.
  • Don't operate with the trench shoring in poor condition.

Safety

  • Hard hat, boots, gloves, glasses and hearing protection.
  • Exclusion zone: no one else in front of the machine.
  • Slope and shoring checked before any maneuver.

Test yourself

Got it down?

Self-check

0/6

Each practice: do it or avoid it? Tap your answer.

  • Keep the machine in sight at all times.

  • Clean the padfoot lugs at the end of the shift.

  • Respect the remote's range; don't drift too far.

  • Don't climb into the trench to adjust it while running.

  • Don't operate with the trench shoring in poor condition.

  • Don't use it as a finish smooth roller: it leaves lug marks.

Which compactor to use by soil and spaceDecision tree. First question: is the soil cohesive, clay or silt? If yes, it compacts by impact: SQ60 PRO 2 rammer or padfoot roller SQRDPWB L102 or SQRPTRC L202. If not, second question: is it a narrow trench? If yes: SQRDPWB L102 trench roller, SQRPTRC L202 by remote control, or SQ60 PRO 2 rammer. If not, third question: base or sand in an open area, or pavers? If yes: SQ15 PRO plate compactor, with its urethane mat on pavers. If not, it is a large area, embankment or asphalt: a roller, walk-behind SQRDWB L34 or ride-on SQRD L41 to L71. In every case: lifts of 20 to 30 cm and 3 to 4 passes.Is the soil cohesive?Clay or silt: it needs impact.YesRammer SQ60 PRO 2or padfoot rollerSQRDPWB L102 · SQRPTRC L202NoIs it a narrow trench?Granular, but no room.YesTrench rollerSQRDPWB L102SQRPTRC L202 by remote controlor rammer SQ60 PRO 2NoBase or sand in an open area,or pavers?YesSQ15 PRO plate compactorPavers: with the urethane matNoLarge area, embankment or asphaltWalk-behind roller SQRDWB L34or ride-on SQRD L41–L71Always: 20–30 cm liftsand 3–4 passes
The soil decides: cohesive needs impact; granular, vibration. Then space decides.

FAQ

What people ask about the trench roller

What is a padfoot roller for?

For compacting clay or silty soils: the lugs dig in and knead the soil from the bottom up. On sand or gravel, a plate or a smooth-drum roller performs better.

Remote-control or walk-behind trench roller: which one?

Deep trench or questionable walls → remote control (SQRPTRC L202), so nobody goes down with the machine. Shallow and stable → the walk-behind SQRDPWB L102.

How many passes on a trench floor?

4 to 6 overlapping passes per 20–30 cm lift. If the lift is thicker, the bottom stays loose.

What's the most dangerous trench-roller mistake?

Climbing into the trench to adjust the machine with the engine running, or losing sight of it. Shut it off before approaching and always drive it from outside.

How often does it need an oil change?

On the SQRPTRC L202, the first engine-oil change is at 50 hours and then every 500 hours; check the level every 10 hours.

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