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Preventive Maintenance

Preventive Maintenance That Catches Problems Before the Tone Drops.

Quarterly and semi-annual PM programs sized to your call volume. Fluids, filters, hoses, batteries, brakes, lights — done at your station on a schedule.

Scheduled fluids, filters, hoses, safety checks
Built around your call volume

The best fire truck repair is the one you never have to make at 0300. Most apparatus failures show up first as something small — a battery that's been weak for a month, a hydraulic fitting weeping, a coolant hose that's started to soften. PM programs catch the small thing before it becomes the call you missed.

PM isn't glamorous. It's how you don't get caught.

The reason most apparatus failures feel like they came out of nowhere is that most of the warning signs got missed for a year. A weak battery that drops to 11 volts under load. A pump packing that's started weeping under draft. A scene light that's been getting dimmer for three months. PM programs catch the small thing before it becomes the call that runs late or the inspection that gets red-tagged.

Frequency.

We default to quarterly for high-volume apparatus and semi-annual for low-volume. Some departments prefer monthly walk-arounds with a quarterly deeper PM. We build the schedule around your call volume and your budget cycle — not a generic interval.

What you get back.

A written PM record for each apparatus, dated and signed. A running list of small issues we fixed on the spot. A parts and labor scope for anything that needs scheduled follow-up. Predictable monthly or quarterly invoicing instead of unpredictable emergency calls.

Questions about this service

How is PM different from annual inspection? +
An annual inspection is a comprehensive snapshot for compliance and ISO. PM is the work between snapshots — keeping the apparatus from accumulating the small failures that show up at next year's inspection.
Can we keep our existing dealer relationship for major work and use you for PM? +
Absolutely. Many departments do exactly that. We handle the day-to-day PM and field repairs; major warranty and structural work routes through the dealer.
Field-Proven

Recent Fire Truck Repairs.

A representative slice of recent on-site work — the kind of failures that take an apparatus out of service and the kind of fixes that put it back in. Pump packing, DEF system faults, aerial hydraulics, multiplex electrical, brakes, charging systems, and everything in between.

Pump won't draft on the test pit

Rebuilt packing on a Hale Qmax mid-mount; pumped capacity at 150 PSI net pump pressure with paperwork.

Engine 4 — cranks but won't start

Cummins ISL fuel rail pressure fault; replaced high-pressure pump and primary filter; back in service by morning.

Aerial outrigger won't extend

Traced 12V supply fault to a corroded ground stud; replaced harness section; outrigger cycled and locked clean.

Tank-to-pump valve seized after mutual aid

Removed and serviced the Akron actuated valve; flushed debris; re-tested under draft.

Multiplex panel showing all faults

Class1 IO module replacement after a wet-environment fault; reprogrammed and tested every output.

Rear discharge gate leaking under pressure

Replaced seat and seal kit on a Waterous CSU two-and-a-half-inch gate; pressure tested to 250 PSI.

Engine derating mid-response

Detroit DD13 DEF system fault — failed quality sensor and clogged dosing valve; cleared and re-ran regen.

Air brakes won't release after sitting

Replaced moisture-fouled relay valve and added a desiccant cartridge to the air dryer; full system test.

Aerial rotation slow and creeping

Rebuilt rotation hydraulic motor and replaced worn slew bearing balls; tested full 360° rotation under load.

Scene lights flickering on the foreground

Charging system pulled down by a failed alternator and one weak battery in a four-bank string; replaced both.

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