Pel-Job mini excavators were originally made by a company in France, but were taken over by Volvo in 1995. Volvo is a highly respected company and their products are high quality, so you know that Pel-Job mini diggers are high quality too. They are easy to maintain. These machines are easy to service and replacement parts are readily available. How does a Haynes Online Manual work? Every Haynes Online Manual offers the same in-depth, step-by-step information as our print titles but also brings video tutorials, colour images, colour wiring diagrams, an interactive fault-finding tool. And works on any device. Our Excavators Construction workshop manuals contain in-depth maintenance, service and repair information. Get your eManual now! Pel Job Sirius Plus Excavator Service Parts Catalogue Manual EPC.
It takes more effort and physical space to keep track of paper documents, to find information and to keep details secure. When mistakes are made or changes or corrections are needed, often a manual transaction must be completely redone rather than just updated. With manual or partially automated systems information often has to be written down and copied or entered more than once. Systemisation can reduce the amount of duplication of data entry.
Pel Job Workshop Manual
Another impact of manual systems is on Customer service. Customer queries can be difficult to respond to as information is stored in different places and may even require that you find the right person before being able to respond. This is no good if they are out to lunch or only work part time.
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This comparative cross-sectional study was conducted at the cardiology clinic of the Suez Canal Authority Hospital (Egypt). The study included 23 apparently healthy male workers at the refrigeration services workshop who were exposed to fluorocarbons (FC 12 and FC 22) and 23 likewise apparently healthy male workers (unexposed), the control group. All the participants were interviewed using a pre-composed questionnaire and were subjected to a clinical examination and relevant laboratory investigations.
Twenty three male freon-exposed workers out of 35 workers at the refrigeration services workshop (refrigeration services workers) and 23 security employees from Suez Canal Authority building (non-exposed group or the control group) who are comparable to the studied refrigeration services workers in age, sex, socioeconomic standards and duration of employment were included in this study. The participation rate was 65.7% as the ineligible participants did not fulfill the inclusion criteria mentioned below:
The average airborne concentrations of freon 12 and 22 at the refrigeration workshop during recharging and repairing activities in the present work were found to exceed the corresponding ACGIH TLV (TWA). These results disagree with the findings of other researchers, who revealed that exposure of volunteers to CFC-11 at concentrations of 250, 500, or 1000 ppm for periods of 1 min to 8 hr, did not produce any untoward physiological effects. Exposure for 8 hr/day, 5 days/week for 2 to 4 weeks to CFC-11 at a concentration of 1000 ppm showed only minor decrement in several cognitive tests [31]. There is also a disagreement regarding the findings of WHO [43], where workers with refrigerant equipment with mean exposure time was 10 min., and chlorofluorocarbon concentrations in their breathing zone exceeded 750 ppm. Their cardiac arrhythmias were registered before, during, and after the exposure by means of a portable ECG. No statistically significant difference was found between exposed and non-exposed periods, nor was there any dose related trend for different individuals when grouped into different exposure groups. The conflict between these studies and the present study findings may not only be due to low concentration levels, but also due to short exposure times during these studies. Thus from our results, it could be concluded that the detected cardiovascular changes besides elevated serum cholesterol and urinary β2-microglobulin (tubular lesion marker) levels among the refrigeration services workers could be attributed to freon exposure exceeding the threshold limit value resulting from leakage during the recharging and repairing of the devices.
In conclusion, the data indicate that unprotected occupational exposure to freon in the present workplace can induce cardiotoxicity, mainly in the form of cardiac arrhythmias, though their role in inducing arterial hypertension and coronary artery diseases is not well established despite significantly elevated serum cholesterol and urinary β2-microglobulin (tubular lesion marker) levels. Moreover, the nephrotoxicity of freon in the studied workers was detected at the level of the tubules, while no glomerular affection was detected. Finally, environmental assessment results for freon in the refrigeration services workshop were found to exceed the threshold limit value. Therefore, substitution of the non-hydrogenated fluorocarbons (CFC) and chlorine-containing hydrogenated fluorocarbons with chlorine-free hydrogenated fluorocarbons, after toxicity testing of these substitutes on both animals and humans, in addition to improved working conditions, are strongly recommended. 2ff7e9595c
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