{"id":328,"date":"2022-08-18T22:09:34","date_gmt":"2022-08-18T22:09:34","guid":{"rendered":"http:\/\/nmr.vuw.ac.nz\/nmr\/?page_id=328"},"modified":"2024-04-28T22:58:32","modified_gmt":"2024-04-28T22:58:32","slug":"preventative-maintenance","status":"publish","type":"page","link":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/preventative-maintenance\/","title":{"rendered":"Preventative Maintenance"},"content":{"rendered":"\n<ul><li>Track and record daily N2 and He boil-off. <\/li><li>Regular lineshape tests to check shims.<\/li><li>PFG amplifier offset correction. (every 6 months)<\/li><li>Shim calibrations  (monthly, or probe change)<\/li><li>PW90 checks (&#8220;regularly&#8221; to annually)<\/li><li>S\/N test (every 6 months, or probe change)<\/li><li>VT calibration (as needed\/six months\/annual)<\/li><li>Chemical shift calibration at different temperatures (six months)<\/li><li>Sensitivity test (six months)<\/li><li>Pulse width calibration (proton, carbon, other nuclei as needed)<\/li><li>Drift test (six months)<\/li><li>Check the profile during gradient shimming. Remove probe and clean if needed. <\/li><li>Clean console air filter. (Annually or as needed according to the lab environment)<\/li><li>Check for noisy or malfunction fans and replace. (3-6 years or if they fail.<\/li><li>Test UPS battery (annual)<\/li><li>Replace UPS batteries more or less every 5 years. Some batteries can last longer.<\/li><li>Update software as needed. Discuss this with a Jeol Engineer.<\/li><li>Check lab facility air supply dryers and replace filters (3 years). Dewpoint should be at least -20C.<\/li><li>&nbsp;If the instrument is showing a chronic problem, contact a service engineer to look at it.<\/li><li>Remove old data stored files from the console computer in the Remote Maintenance Tool.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td><strong>Sample and test<\/strong><\/td><td><strong>Method<\/strong><\/td><td><strong>Delta 6<\/strong><\/td><td><strong>Pulse sequence<\/strong><\/td><\/tr><tr><td><strong>Lock: 1% CHCl3<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>2H lock pw90<\/td><td>6.1.2, 6.1.4, 4.12<\/td><td><\/td><td>ft_2h_lock_pulse<\/td><\/tr><tr><td>2H homospoil cal<\/td><td>6.1.5, 6.1.6<\/td><td><\/td><td><\/td><\/tr><tr><td>1H lineshape<\/td><td>4.16<\/td><td>5.GLP Recommend<\/td><td>ft_1H_line_shape<\/td><\/tr><tr><td>2H homospoil selective cal.<\/td><td>6.2<\/td><td><\/td><td><\/td><\/tr><tr><td>FG power adjust<\/td><td>4.31<\/td><td><\/td><td><\/td><\/tr><tr><td><strong>Water<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>FG power check<\/td><td>4.3<\/td><td><\/td><td>ft_pfg_z_power.jxp<\/td><\/tr><tr><td><strong>0.1% EB<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>1H PW90<\/td><td>4.15, 4.12<\/td><td>3.GLP Recommend<\/td><td>ft_1h_90_pulse<\/td><\/tr><tr><td>1H sensitivity<\/td><td>4.17, 4.13<\/td><td>1.GLP Recommend<\/td><td>ft_1H_sensitivity<\/td><\/tr><tr><td>1H homo SD, 1H homo Gate<\/td><td>4.18<\/td><td><\/td><td>ft_1h_sensitivity.jxp<br>ft_1h_homo_gate.jxp<br>ft_1h_homo_SD.jxp<\/td><\/tr><tr><td><strong>13C ASTM no irr<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>13C pw90<\/td><td>4.19, 4.12<\/td><td>4.GLP Recommend<\/td><td>ft_13c_90_pulse<\/td><\/tr><tr><td>13C sensitivity<\/td><td>4.20, 4.13<\/td><td>2.GLP Recommend<\/td><td>ft_13c_no_irr_sensitivity<\/td><\/tr><tr><td><strong>10% EB irr<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>13C sensitivity<\/td><td>4.21, 4.23<\/td><td><\/td><td>ft_13c_irr_sensitivity<\/td><\/tr><tr><td>13C DEPT<\/td><td>4.22<\/td><td><\/td><td>ft_hp_dept_dec<\/td><\/tr><tr><td><strong>Doped water 4Hz<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>1H homospoil selective cal.<\/td><td>6.3? -soft pulse 2000[us]<\/td><td>3.GLP Recommend?<\/td><td>single_90_pulse.jxp<\/td><\/tr><tr><td>90 deg proton spinlock<\/td><td><\/td><td>5.GLP optional1H 90 deg. Spinlock<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><a href=\"http:\/\/nmr.vuw.ac.nz\/nmr\/wp-content\/uploads\/Jeol_manuals\/Preventive Maintenance Report 600MHz.docx\">Preventative Maintenance &#8211; Jeol<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Track and record daily N2 and He boil-off. Regular lineshape tests to check shims. PFG amplifier offset correction. (every 6 months) Shim calibrations (monthly, or probe change) PW90 checks (&#8220;regularly&#8221; to annually) S\/N test (every 6 months, or probe change) VT calibration (as needed\/six months\/annual) Chemical shift calibration at different temperatures (six months) Sensitivity test [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/pages\/328"}],"collection":[{"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/comments?post=328"}],"version-history":[{"count":7,"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/pages\/328\/revisions"}],"predecessor-version":[{"id":431,"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/pages\/328\/revisions\/431"}],"wp:attachment":[{"href":"http:\/\/nmr.vuw.ac.nz\/nmr\/index.php\/wp-json\/wp\/v2\/media?parent=328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}