ST-45HRM CE CONCRETE PUMP—TOWING INFORMATION
1.0 GENERAL INFORMATION
In. order to maintain the function and safety of your trailer, only original parts of the manufacturers design must be used. Servicing should only be undertaken by qualified personnel.
1.1TOWING LEVEL
Ideally, the trailer should be towed level (Figure 37) and not with the draw bar leaning up or down excessively. Some countries allow ± 4° from the level (approximately ±100mm) but in others it remains at the discretion of the user for safe operating conditions
1.3TYRES AND WHEELS
Within the EC, tyres must be marked with a load index (LI) and speed symbol, which designate the maximum carrying capacity per tyre at the maximum speed. See Tables 7 and 8.
For trailer use, car tyres may be given a bonus loading of 5% and commercial van tyres 10% due to the reduced speed limits that apply to trailers (in the UK 97 kmh/60 mph). However, we would generally recommend working within the load index designation to allow for the possibility of operation over the normal speed limitations.
Figure 37. Towing Level
1.2CAPACITIES
For safety, warranty and legal reasons, DO NOT exceed the maximum allowable fully laden mass.
On a trailer’s drawbar assembly, there may be 3 ore more labels/ stampings stating the maximum masses and other parameters. It is important to be aware that the label or stamping stating the lowest maximum gross mass overrules all others; generally the label affixed to the body of the trailer by the trailer or plant manufacturer states the actual maximum, as this will allow for wheel and tyre capacities.
TABLE 8. SPEED SYMBOLS
Speed Symbol | F | G | J | K | L | M | N | P | Q | R |
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Max MPH | 50 | 56 | 62 | 68 | 75 | 81 | 87 | 93 | 100 | 106 |
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Max KMH | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 170 |
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The maximum tyre pressure marked on the tyre is usually compatible with the load index and speed symbol. If in doubt, check with the manufacturer or with us.
TABLE 7. TYRES LOAD INDEX
LI | Kg | LI | Kg | LI | Kg | LI | Kg | LI | Kg | LI | Kg | LI | Kg |
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67 | 307 | 78 | 425 | 89 | 580 | 100 | 800 | 111 | 1090 | 122 | 1500 | 133 | 2060 |
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68 | 315 | 79 | 437 | 90 | 600 | 101 | 825 | 112 | 1120 | 123 | 1550 | 134 | 2120 |
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69 | 325 | 80 | 450 | 91 | 615 | 102 | 850 | 113 | 1150 | 124 | 1600 | 135 | 2180 |
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70 | 335 | 81 | 462 | 92 | 630 | 103 | 875 | 114 | 1180 | 125 | 1650 | 136 | 2240 |
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71 | 345 | 82 | 475 | 93 | 650 | 104 | 900 | 115 | 1215 | 126 | 1700 | 137 | 2300 |
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72 | 355 | 83 | 487 | 94 | 670 | 105 | 925 | 116 | 1250 | 127 | 1750 | 138 | 2360 |
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73 | 365 | 84 | 500 | 95 | 690 | 106 | 950 | 117 | 1285 | 128 | 1800 | 139 | 2430 |
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74 | 375 | 85 | 515 | 96 | 710 | 107 | 975 | 118 | 1320 | 129 | 1850 | 140 | 2500 |
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75 | 387 | 86 | 530 | 97 | 730 | 108 | 1000 | 119 | 1360 | 130 | 1900 | 141 | 2575 |
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76 | 400 | 87 | 545 | 98 | 750 | 109 | 1030 | 120 | 1400 | 131 | 1950 | 142 | 2650 |
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77 | 412 | 88 | 560 | 99 | 775 | 110 | 1060 | 121 | 1450 | 132 | 2000 | 143 | 2725 |
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MAYCO
