I. Nkyerɛkyerɛmu a ɛkɔ akyiri a ɛfa Semi-trailer Maintenance Cycles ho
Ɛsɛ sɛ nsiesie kyinhyia ma semi-trailers gyina akwansin ne bere nyinaa so. Nyansahyɛ pɔtee bi ne nea edidi so yi (hwɛ "Mfiridwuma ho Nkyerɛkyerɛmu a ɛfa Aguadi Kar Siesie ho" GB/T 18344-2016):
1. Daa Daa Nhwehwɛmu: Ansa na wobɛtu kwan biara no, hwɛ tae nhyɛsoɔ (gyinabea boɔ: 7.5-8.5 bar ma anim ntwahonan, 6.5-7.5 bar ma akyi ntwahonan), na hwɛ kanea nhyehyɛeɛ ne breki nhama no mu sɛ nsuo ntu anaa.
2. Nsiesiei nketenkete (30,000 km/asram 6): Sesa engine mu ngo (CI-4 grade 15W-40 diesel oil a wɔkamfo kyerɛ), ngo filter no, na hwɛ suspension bolt torque (standard value: Ɛsɛ sɛ U-bolts du 400-500 N·m).
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Adwumayɛ tebea soronko (te sɛ adesoa a emu yɛ duru a ɛkyɛ- anaasɛ mmepɔw so karka) hwehwɛ sɛ wɔtew breki kyinhyia ntam 20%-30%. Sɛ nhwɛso no, kar ahorow a wɔtaa de breki bɔ no hwehwɛ sɛ wɔhwɛ breki pad no mu duru mu kilomita 20,000 biara (pad foforo a ɛyɛ kɛse sen anaa ɛne 25mm yɛ pɛ, anohyeto Kɛse sen anaasɛ ɛyɛ pɛ 5mm).
II. Core Maintenance Points ne Adwumayɛ ho Nkyerɛkyerɛmu
(I) Tae Nhyehyɛe
- Dannan tae kilomita 5,000 biara (wɔkamfo kyerɛ sɛ wobɛkyinkyin mmeamudua so) na amma ɛnsɛe pɛpɛɛpɛ;
- Sesa tae bere a tread no mu dɔ kɔ fam sen 1.6mm (sɛnea GB 9744-2015 kyerɛ no);
- Sɛ wode tae nhyɛsoɔ nhyehyɛeɛ (TPMS) di dwuma a, ɛbɛtumi atew asiane a ɛwɔ tae a ɛbɛbɔ mu no so bɛboro 30% (data source: US NHTSA amanneɛbɔ).
(II) Breki Nhyehyɛe
1. Mframa Nhyehyɛe a Wɔhwɛ So:
- Yi mframa akorae nsu dapɛn biara na amma valve nipadua mu mpaapaemu esiane nwini nti;
- Sesa desiccant asram 6 biara (adsorption desiccant no sɛe betumi ama breki akyɛ).
2. Mfiridwuma mu Nneɛma a Wɔde Yɛ:
- Breki drum wear anohyeto yɛ 2mm (wɔde vernier caliper susuw). Sɛ woboro anohyeto yi so a, ɛhwehwɛ sɛ wɔdannan anaasɛ wɔsesa.
- Sesa clearance no bere a breki dan no pia poma stroke boro 40mm (standard value: 20-30mm).
(III) Nneɛma a Wɔde Suspension ne Frame
- Hwɛ ahaban nsuten ɔsram biara sɛ mpaapaemu (fa w’adwene si nhaban a edi kan ne nea ɛto so abien no so).
- Fa srade sra saddle pins no so asram abiɛsa biara (fa NLGI Grade 2 lithium grease di dwuma).
- Ɛsɛ sɛ wosiesie mpaapaemu a ɛwɔ frame weld mu no ntɛm ara (wɔbara sɛ wɔantumi amfa kar no nni dwuma sɛ mpaapaemu no tenten boro 5mm a).