ROD AS 3519110 - Caterpillar

(43)Weigh Agent Cylinder
The Fire Suppression System will not be able to suppress a fire and protect the operator unless the nitrogen and agent cylinders are fully charged. The nitrogen and agent cylinders must be recharged if the system has been activated. Consult your Caterpillar dealer for recharging information.Fire suppression agents, either Halon or dry chemical type, may create hazards to people if discharged on them.Fire suppression agent can cause breathing difficulties and/or skin irritation. To prevent accidental discharge during maintenance or repair work, put the disconnect switch in the OFF position.Fire suppression agents can irritate eyes, skin and nasal passages. If the agent gets into eyes, flush thoroughly with water, then consult a physician. In case of skin contact, wash all exposed areas with soap and water. If irritation persists, after inhalation or skin contact, consult a physician.
Earlier Models
Remove the agent cylinder yearly and check the weight, whether it has been discharged or not.See the "D8L Track-Type Tractor Service Manual" for removal and installation procedures.The weight of each cylinder and agent should be 29 kg (63 lb) minimum. If the weight of each cylinder is correct, the cylinder contains proper charge. If not, consult your Caterpillar dealer for service or instructions.For a dry chemical agent cylinder, the total weight of the agent and cylinder should be 28 1 kg (62 2.2 lb).If cylinder weights are not correct, consult your Caterpillar dealer for service or instructions. Remove the agent cylinder yearly and check the weight, whether it has been discharged or not.See the D8L or D9L Track-Type Tractor Service Manual for removal and installation procedures.For a dry chemical agent cylinder, the total weight of the agent and cylinder should be 24.0 1 kg (53.5 2.2 lb).For a Halon agent cylinder, the total weight of the agent and cylinder should be 25.6 1 kg (56.3 2.2 lb).If cylinder weights are not correct, consult your Caterpillar dealer for service or instructions.Check Nitrogen Actuator Cylinder Charge
The nitrogen actuator cylinders should be checked for a proper charge yearly, whether they have been discharged or not.There are two actuator cylinders. One is located in the cab compartment, to the right of the operator and one on the rear of the machine, under the fuel tank.Consult your Caterpillar dealer for instructions or service of the nitrogen actuator cylinders.