用手在每條膠帶中部，施加2千克左右的垂直壓力，下沉量為二十到三十毫米為宜，不合適時要及時進行調整。
新舊莫混：雙根或三根以上三角膠帶需要更換時， 要選用規定型號的三角膠帶，并要求每組三角膠帶緊度一致，不準新舊混裝或減少根數使用，否則，新舊三角帶受力不均，甚至舊三角帶不起作用，影響動力傳遞和縮短三角帶的壽命
標準化的三角帶斷面呈梯形，整圈無接頭，分為
O型、 A型、B型、C型、D型、E型、F型七種型號、從O型到F型膠帶剖面面積逐漸增大。
SPZ SPA SPB SPC這四款型號是三角帶窄V型選擇膠帶型號是根據所傳遞的功率膠帶速度來決定的，這里面有不少學問。
三星高速防油三角帶SPA型：
SPA732 SPA735 SPA742 SPA757 SPA760 SPA782 SPA800 SPA807 SPA832 SPA850 SPA857 SPA860 SPA882 SPA885 SPA900 SPA907 SPA932 SPA950 SPA957 SPA967 SPA982 SPA1000 SPA1007 SPA1032 SPA1057 SPA1060 SPA1082 SPA1090 SPA1107 SPA1120 SPA1132 SPA1157 SPA1180 SPA1182 SPA1200 SPA1207 SPA1210 SPA1232 SPA1235 SPA1250 SPA1257 SPA1272 SPA1282 SPA1295 SPA1300 SPA1307 SPA1320 SPA1357 SPA1367 SPA1382 SPA1385 SPA1400 SPA1407 SPA1410 SPA1425 SPA1432 SPA1457 SPA1482 SPA1485 SPA1500 SPA1507 SPA1532 SPA1557 SPA1582 SPA1600 SPA1607 SPA1632 SPA1657 SPA1682 SPA1700 SPA1707 SPA1732 SPA1757 SPA1782 SPA1785 SPA1800 SPA1807 SPA1832 SPA1837 SPA1857 SPA1882
SPA1900 SPA1907 SPA1932 SPA1957 SPA1982 SPA2000 SPA2032 SPA2057 SPA2082 SPA2100 SPA2120 SPA2132 SPA2157 SPA2160 SPA2180 SPA2182 SPA2200 SPA2207 SPA2232 SPA2240 SPA2260 SPA2282 SPA2300 SPA2307 SPA2330 SPA2332 SPA2360 SPA2373 SPA2380 SPA2382
SPA2407 SPA2410 SPA2432 SPA2450 SPA2482 SPA2500 SPA2532 SPA2550 SPA2568 SPA2582
SPA2600 SPA2607 SPA2632 SPA2650 SPA2682 SPA2707 SPA2732 SPA2750 SPA2773 SPA2782 SPA2800 SPA2832 SPA2840 SPA2847 SPA2850 SPA2882 SPA2900 SPA2932 SPA2962 SPA2869 SPA2982 SPA3000 SPA3020 SPA3032 SPA3070 SPA3082 SPA3132 SPA3150 SPA3182 SPA3250 SPA3282 SPA3350 SPA3382 SPA3450 SPA3482 SPA3500 SPA3550 SPA3600 SPA3650 SPA3750 SPA3870 SPA4000 SPA4120 SPA4250 SPA4300 SPA4500 SPA4600 SPA4750 SPA4865
SPA5000 SPA5100 SPA5300