Great-plains TSF1290 Operator Manual User Manual download pdf (Page 74)

70 TSF1080, TSF1090, TSF1280 & TSF1290 Great Plains Manufacturing, Inc.

500-641M 05/10/2012

Tank Entry

Normal use of the sprayer and routine maintenance do

not require entry.

▲ You can be overcome by hazardous fumes very quickly even

in an empty tank with the lid open.

▲ Oxygen levels may be insufﬁcient.

▲ Do not enter a tank for loading material.

▲ Do not enter a tank for unloading material.

▲ Do not enter a tank for routine cleaning.

▲ Never enter a tank without at least one trained and

equipped attendant present.

Never enter a tank for any reason unless you fully com-

ply with applicable laws, regulations, rules, agreements,

and the instructions in this section. Where applicable

laws, regulations, rules, agreements contradict an

instruction below, do not follow that instruction.

Depending on use, the TSF sprayer tank may be or

become a “permit-required conﬁned space” under U.S.

OSHA regulations (29 CFR 1910.146) and similar regu-

lations, statutes, insurance agreements and local busi-

ness policy. A written policy and permitting process may

be required for any tank entry.

Tank entry may be necessary in some unusual circum-

stances, such as:

• agitator nozzle alignment;

• clean-out nozzle repair/replacement; or,

• removal of obstructions not susceptible to ﬁshing or

pumping out from the open lid.

Should such a situation arise, observe the following pre-

cautions:

1. Evaluate the hazards

Review the material safety data sheets (MSDS) for

any chemicals used in the tank since it was last thor-

oughly cleaned, and the most recent materials even

if the tank was subsequently cleaned. Retain the

MSDS information for any medical treatment that

might be required.

2. Designate or engage a team

Tank entry is never a single-person activity. At least

one attendant/observer is necessary. Give priority to

individuals already trained in conﬁned space opera-

tions. Designate a leader (who will not be the

entrant) with authority to terminate the activity.

3. Protect the team

Obtain the necessary safety equipment speciﬁed for

conﬁned space exposure to those materials, paying

particular attention to respiratory support and protec-

tion. This may include contaminant detection equip-

ment and positive ventilation to refresh air in the

tank.

4. Equip the team

At least one attendant must be equipped with com-

munications capability, to summon outside aid in the

event that the tank worker is overcome. Equip the

entrant with a safety harness and safety line.

5. Train the team

Review the hazards. Review the procedures. Under-

stand the use of the protective equipment. Know the

steps to take in emergencies. Practice them. Train

the observer to summon aid, and not attempt tank

entry if the entrant is overcome.

6. Secure the cart

Block the cart wheels to prevent movement.

7. Empty the tank

Follow the steps at “Unloading Materials” on page

52. If a blockage makes this impossible, use an

external pump line to remove as much material as

possible without performing a tank entry. Pump until

at least some material is exiting the clean-out port.

Leave the clean-out port open.

8. Clean the tank

Perform normal tank ﬂushing, per “Tank and Boom

Flush” on page 53. From the outside at the walk-

board, power-wash the inside of the tank. Use a mild

detergent sprayer. Rinse thoroughly.

9. Air the tank

Leave the tank lid and clean-out door open, and do

not commence work until the rinse water has com-

pletely evaporated.

10. Plan the work. Work the plan.

Postpone the work if any team members, equipment

or other resources are missing, or weather/lighting

conditions are not favorable. Terminate and evacuate

if any unexpected situations arise.

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Great-plains TSF1290 Operator Manual User Manual Page 74

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