SERVICE DIAGNOSIS

The following diagnosis is only to be used as a guide to qualified service personnel. Keating recommends that you use a qualified & licensed service company. (Equipment still under warranty requires it.)

NOTE: To correctly and quickly diagnose the system, the chart below should be followed in sequential order.

TROUBLE SHOOTING CHART

PROBLEM

PROBABLE CAUSE

SOLUTION

 

 

 

 

 

 

 

No Pilot

a.

Gas supply not “ON”.

a.

Open gas supply valve.

 

 

b.

Air in gas lines.

b.

Press gas valve knob in “pilot”

 

 

c. Quick disconnect not engaged.

 

position and hold.

 

 

 

 

 

 

 

d.

Gas valve is on “OFF” position.

c.

Reconnect quick disconnect.

 

 

 

 

 

 

 

e.

Faulty Piezo Ignitor.

d.

Turn valve knob to “pilot”.

 

 

 

 

 

 

 

 

 

e.

Replace ignitor.

 

 

 

 

 

 

 

Pilot won’t stay on

a.

Loose wires.

a.

Tighten connections on all wires.

 

 

b.

Faulty thermopile.

b.

Replace thermopile.

 

 

 

 

 

 

c.

Inadequate gas supply.

c.

Increase line pressure.

 

 

 

 

 

 

d.

Bad gas valve.

d.

Replace gas valve.

 

 

 

 

 

 

 

 

 

 

 

Pilot on but no main burner ignition

a. ON/OFF switch is in “OFF” position.

a.

Put ON/OFF switch to “ON” position.

 

 

 

 

 

 

 

b.

Gas valve is in “pilot” position.

b.

Turn knob to “ON” position.

 

 

c.

Thermostat is not turned on.

c.

Turn thermostat to desired temperature.

 

 

d.

Low gas presssure.

d.

Set manifold pressure to 4” WC

 

 

 

 

 

(nat),10” WC (LP).

 

 

e.

Gas valve failure.

e.

Replace valve.

 

 

 

 

 

 

 

Temperature of griddle erratic

a.

Thermostat is not calibrated.

a.

Calibrate thermostat with exhaust

 

 

 

 

 

system running.

 

 

b.

Air from exhaust hood excessive.

b.

Have exhaust hood inspected and

 

 

 

 

 

air flow balanced.

 

 

 

 

 

 

 

Griddle stays hot or overheats

a.

Thermostat is not calibrated.

a.

Calibrate thermostat.

 

 

b.

Thermostat failure

b.

Replace thermostat.

 

 

c.

Air from exhaust hood excessive.

c.

Have exhaust hood inspected and

 

 

 

 

 

air flow balanced.

 

 

d.

Improper Cooking Procedured.

d.

See Cooking Procedure section.

 

 

 

 

 

 

 

Burners will not shut off

a.

Thermostat is not calibrated.

a.

Calibrate thermostat.

 

 

b.

Thermostat failure

b.

Replace thermostat.

 

 

c.

Bad gas valve.

c.

Replace gas valve.

 

 

 

 

 

 

 

Flames pulsate.

a.

Low gas pressure

a.

Set manifold pressure to 4” WC (nat),

 

 

 

 

 

10”WC (LP). Set line pressure to 7” WC

 

 

 

 

 

(nat), 11” WC (LP).

 

 

b.

Orifice is dirty or clogged

b.

Clean orifice

 

 

c.

Air from exhaust hood excessive

c.

Have exhaust hood inspected and air

 

 

 

 

 

flow balanced.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

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Keating Of Chicago 37399 user manual Service Diagnosis, Trouble Shooting Chart
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37399 specifications

Keating of Chicago 37399 is a renowned aircraft manufactured by Keating Aerospace, a company known for its innovation and commitment to quality in aviation technology. The 37399 model is especially notable for its remarkable balance of performance, efficiency, and versatility, making it a favored choice among both commercial and private aviation sectors.

One of the standout features of the Keating 37399 is its aerodynamic design, which contributes to reduced drag and enhanced fuel efficiency. The airframe is constructed using advanced composite materials, ensuring both lightweight characteristics and exceptional strength. This innovative construction allows the aircraft to achieve superior fuel efficiency, extending its range and reducing operational costs.

The 37399 is powered by cutting-edge engines that incorporate the latest in turbine technology. These engines not only deliver impressive thrust but also contribute to lower emissions, aligning with current environmental standards. Additionally, the aircraft is equipped with advanced avionics systems, providing pilots with real-time data and enhanced navigation capabilities. The cockpit features a user-friendly interface, minimizing the pilot's workload while maximizing situational awareness.

Interior comfort is another key characteristic of the Keating 37399. The cabin is designed with passenger comfort in mind, featuring spacious seating arrangements and high-quality materials. The layout can be customized to suit various missions, whether for business or leisure, accommodating a range of passenger needs. Noise reduction technologies further enhance the in-flight experience, allowing for a peaceful environment.

Safety is paramount in the design of the 37399. The aircraft is equipped with state-of-the-art safety systems, including advanced collision-avoidance technology and robust emergency protocols. These features ensure that both pilots and passengers can feel secure while enjoying their journey.

In summary, the Keating of Chicago 37399 stands out in the aviation market due to its blend of efficiency, innovation, and passenger comfort. Its advanced technologies, exceptional performance, and commitment to safety make it a versatile choice for a wide range of aviation needs, solidifying its reputation as a leader in modern aircraft design and engineering. As aviation continues to evolve, the 37399 remains a testament to the advancements in aircraft technology and design.
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