Job Safety Analysis

MAST Safe Work Procedure

Division: Analysis By: Date:

Department: Supervisor: Frequency:

Job Title: Approved By: JSA Number: 29

Job Title: 29 Auto-scrubber maintenance Job Performed By: and use

REQUIRED PERSONAL PROTECTIVE EQUIPMENT:

GENERAL NOTES:

JOB SAFETY ANALYSIS:

Step Description Hazard Controls IF THE AUTO-SCRUBBER BATTERY IS PLUGGED IN... 1 Unplug the charger from the A spark/Arc could cause an explosion of Follow established procedures as described in step 1. wall...--Then...--Unplug the the battery gasses. charger from the battery. CHECKING THE BATTERIES Personal protective equipment (PPE) should include the following; goggles and gloves for checking the battery section. 2 Gain access to the battery Muscle Strain Assess muscle strength, make sure excess water has been drained compartment by releasing from the machine to reduce the weight. battery compartment securing clamp. Lift the housing to gain access to the batteries. 3 Remove the cell covers from the Burn-Chemical batteries 4 Check the level of water in the Spill Follow established procedures, use a funnel. batteries and add distilled water if necessary 5 Clean batteries

of 3 Print Date: Mar/02/2004 6 Lower the housing back over the batteries and clamp it in place. DRIVE-BLOCK AND PAD 7 Remove the drive-block by Muscle Strain Follow established procedures, grasping it firmly and rotating it quickly in a counterclockwise direction. 8 Clean both the drive-block and Equipment Damage, premature wear will the pad...DAILY! occur if drive-block and pad are not cleaned daily. 9 Replace the pad and drive-block Muscle Strain Follow established procedures by rotating in a clockwise direction. CHECK THE FILTER 10 Locate and remove the filter Chemical-Corrosive--Chemical-Irritant-- Personal protective equipment (PPE) should include the following; Chemical-Toxic gloves 11 Examine the filter to determine if Equipment Damage, a dirty filter will Replace if necessary it needs to be replaced prevent proper flow, a damaged filter will allow grit, etc. to enter the system. EXAMINE THE SQUEEGEE 12 Check the squeegee to make sure it is clean. This will help prevent "streaking" the floor when washing it. WASHING THE FLOOR 13 Make sure the floor to be washed has been swept. Sweeping the floor properly will help prevent streaking as well as prolong the life of the auto- scrubber. 14 Fill the clean water tank with hot Spill--Splash Use care water from the tap, using a hose 15 Following JHA #27 "Decanting As per JHA #27 As per JHA #27 Chemicals" procedure add the correct amount of cleaning solution to the clean water tank 16 Attach squeegee Back Injury--Muscle Strain Follow established procedures keep back straight, bend knees.

of 3 Print Date: Mar/02/2004 17 Lower brush to floor, turn on the Damage to floor tile. Follow established procedures in the order specified in step 17 and vacuum, open the water release make sure the machine is moving forward whenever the brush motor valve, turn on the brush. is engaged. 18 Wash the floor Slip--Fall Personal protective equipment (PPE) should include the following; slip resistant footwear--Set up "Wet floor" signs 19 Disengage and raise the brush, stop the water flow and turn off the vacuum. 20 After the floor has been washed Spill--Splash empty the dirty water into the slop sink. If you do not have a slop sink use a bucket. 21 Remove and clean the squeegee-- 22 Park the auto-scrubber--Plug the Electrocution--Spark/Arc Follow established procedures using the correct order of steps.--Make battery into the charger.--Plug sure the plug is grounded the charger into the wall.

AUTHORIZED EMPLOYEE INFORMATION:

ID NUMBER: LAST NAME: FIRST NAME: REMARKS: JOB HISTORY INFORMATION:

DATE: REMARKS:

Approval Signature: Date:

of 3 Print Date: Mar/02/2004