![\"H\u1ec7](\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2026\/05\/He-Thong-Khi-Nen-Co-Nuoc.-Nguyen-Nhan-Giai-Phap-Xu-Ly-Triet-De-1.png\")
<\/a>H\u1ec7 Th\u1ed1ng Kh\u00ed N\u00e9n C\u00f3 N\u01b0\u1edbc: Nguy\u00ean Nh\u00e2n & Gi\u1ea3i Ph\u00e1p X\u1eed L\u00fd Tri\u1ec7t \u0110\u1ec3<\/p><\/div>\n
H\u1ec7 Th\u1ed1ng Kh\u00ed N\u00e9n C\u00f3 N\u01b0\u1edbc: Nguy\u00ean Nh\u00e2n V\u00e0 Gi\u1ea3i Ph\u00e1p X\u1eed L\u00fd Tri\u1ec7t \u0110\u1ec3 Cho Nh\u00e0 M\u00e1y<\/h1>\n
\u0110\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t c\u0103n b\u1ec7nh c\u01a1 k\u1ef9 thu\u1eadt, ch\u00fang ta kh\u00f4ng th\u1ec3 ch\u1ec9 ch\u1eefa tri\u1ec7u ch\u1ee9ng m\u00e0 ph\u1ea3i \u0111i s\u00e2u v\u00e0o ngu\u1ed3n g\u1ed1c h\u00ecnh th\u00e0nh. Hi\u1ec7n t\u01b0\u1ee3ng n\u01b0\u1edbc xu\u1ea5t hi\u1ec7n trong \u0111\u01b0\u1eddng \u1ed1ng kh\u00ed n\u00e9n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u00e9p thu\u1eadt hay s\u1ef1 c\u1ed1 ng\u1eabu nhi\u00ean, n\u00f3 tu\u00e2n theo nh\u1eefng quy lu\u1eadt v\u1eadt l\u00fd v\u00f4 c\u00f9ng ch\u1eb7t ch\u1ebd.<\/p>\n
D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u1ee7a b\u1ea1n \u0111ang b\u1ecb nhi\u1ec5m n\u01b0\u1edbc<\/h2>\n
\u0110\u00f4i khi, s\u1ef1 c\u1ed1 kh\u00f4ng b\u00f9ng ph\u00e1t ngay l\u1eadp t\u1ee9c m\u00e0 ph\u00e1t tri\u1ec3n \u00e2m \u1ec9. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, n\u1ebfu b\u1ea1n tinh \u00fd quan s\u00e1t, h\u1ec7 th\u1ed1ng s\u1ebd \u0111\u01b0a ra nh\u1eefng t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o r\u1ea5t r\u00f5 r\u00e0ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf m\u00e0 t\u00f4i th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 “b\u1eaft b\u1ec7nh” nhanh cho kh\u00e1ch h\u00e0ng:<\/p>\n
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C\u00f3 n\u01b0\u1edbc x\u1ecbt ra \u1edf thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i:<\/b> Khi c\u00f4ng nh\u00e2n s\u1eed d\u1ee5ng s\u00fang x\u1ecbt b\u1ee5i, s\u00fang v\u1eb7n bu l\u00f4ng ho\u1eb7c s\u00fang phun s\u01a1n, b\u1ea1n s\u1ebd th\u1ea5y nh\u1eefng tia n\u01b0\u1edbc nh\u1ecf li ti b\u1eafn ra c\u00f9ng v\u1edbi gi\u00f3. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u tr\u1ef1c quan nh\u1ea5t.<\/p>\n<\/li>\n
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N\u01b0\u1edbc \u0111\u1ecdng trong c\u00e1c ly l\u1ecdc (Filter) t\u1ea1i m\u00e1y CNC:<\/b> C\u00e1c b\u1ed9 \u0111i\u1ec1u \u00e1p FRL (Filter, Regulator, Lubricator) g\u1eafn tr\u01b0\u1edbc c\u00e1c m\u00e1y gia c\u00f4ng t\u1ef1 \u0111\u1ed9ng s\u1ebd c\u00f3 ph\u1ea7n ly nh\u1ef1a trong su\u1ed1t. N\u1ebfu b\u1ea1n th\u1ea5y ly nh\u1ef1a n\u00e0y ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc ho\u1eb7c n\u01b0\u1edbc li\u00ean t\u1ee5c tr\u00e0o qua b\u1ed9 l\u1ecdc \u0111i v\u00e0o trong m\u00e1y, h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n \u0111ang b\u00e1o \u0111\u1ed9ng \u0111\u1ecf.<\/p>\n<\/li>\n
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Hi\u1ec7n t\u01b0\u1ee3ng r\u1ec9 s\u00e9t x\u1ea3 ra qua van:<\/b> Khi b\u1ea1n m\u1edf th\u1eed c\u00e1c van x\u1ea3 tay \u1edf d\u01b0\u1edbi \u0111\u00e1y b\u00ecnh ch\u1ee9a ho\u1eb7c \u0111i\u1ec3m cu\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng, thay v\u00ec kh\u00ed kh\u00f4 x\u00ec ra, b\u1ea1n l\u1ea1i nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t d\u00f2ng ch\u1ea5t l\u1ecfng m\u00e0u v\u00e0ng \u1ed1 ho\u1eb7c n\u00e2u \u0111\u1ecf c\u1ee7a r\u1ec9 s\u00e9t s\u1eaft.<\/p>\n<\/li>\n<\/ul>\n
T\u00e1c h\u1ea1i kh\u00f4n l\u01b0\u1eddng khi kh\u00ed n\u00e9n c\u00f3 n\u01b0\u1edbc \u0111\u1ed1i v\u1edbi d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t<\/h2>\n
Nhi\u1ec1u ng\u01b0\u1eddi ngh\u0129 r\u1eb1ng m\u1ed9t ch\u00fat h\u01a1i \u1ea9m kh\u00f4ng \u0111\u00e1ng b\u1eadn t\u00e2m, nh\u01b0ng v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t k\u1ef9 s\u01b0 b\u1ea3o tr\u00ec, t\u00f4i nh\u1eadn th\u1ea5y h\u1eadu qu\u1ea3 t\u00e0i ch\u00ednh m\u00e0 n\u00f3 g\u00e2y ra l\u00e0 c\u1ef1c k\u1ef3 kh\u1ee7ng khi\u1ebfp.<\/p>\n
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R\u1eeda tr\u00f4i ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 ph\u00e1 h\u1ee7y thi\u1ebft b\u1ecb kh\u00ed n\u00e9n:<\/b> C\u00e1c thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng nh\u01b0 xi lanh, van \u0111i\u1ec7n t\u1eeb (Solenoid valve), hay \u0111\u1ed9ng c\u01a1 kh\u00ed n\u00e9n \u0111\u1ec1u \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n b\u1eb1ng m\u1ed9t l\u1edbp m\u1ee1 ho\u1eb7c d\u1ea7u si\u00eau m\u1ecfng b\u00ean trong. Khi lu\u1ed3ng kh\u00ed n\u00e9n l\u1eabn n\u01b0\u1edbc \u0111i qua, n\u01b0\u1edbc s\u1ebd r\u1eeda tr\u00f4i ho\u00e0n to\u00e0n l\u1edbp b\u00f4i tr\u01a1n n\u00e0y. H\u1eadu qu\u1ea3 l\u00e0 c\u00e1c ph\u1edbt cao su b\u1ecb ma s\u00e1t kh\u00f4, nhanh ch\u00f3ng r\u00e1ch n\u00e1t, g\u00e2y r\u00f2 r\u1ec9 kh\u00ed v\u00e0 khi\u1ebfn xi lanh b\u1ecb k\u1eb9t c\u1ee9ng.<\/p>\n<\/li>\n
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\u0102n m\u00f2n m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng:<\/b> N\u1ebfu x\u01b0\u1edfng c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed b\u1eb1ng th\u00e9p m\u1ea1 k\u1ebdm hay s\u1eaft \u0111en, s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a n\u01b0\u1edbc s\u1ebd k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh oxy h\u00f3a t\u1eeb b\u00ean trong. L\u1edbp r\u1ec9 s\u00e9t s\u1ebd d\u00e0y l\u00ean, l\u00e0m gi\u1ea3m ti\u1ebft di\u1ec7n \u1ed1ng g\u00e2y t\u1ee5t \u00e1p, sau \u0111\u00f3 bong tr\u00f3c ra bay theo d\u00f2ng kh\u00ed l\u00e0m t\u1eafc ngh\u1ebdn to\u00e0n b\u1ed9 c\u00e1c b\u1ed9 l\u1ecdc vi ph\u00e2n ph\u00eda sau.<\/p>\n<\/li>\n
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L\u00e0m h\u1ecfng ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng:<\/b> Trong ng\u00e0nh s\u01a1n t\u0129nh \u0111i\u1ec7n, in \u1ea5n bao b\u00ec, hay d\u1ec7t may, n\u1ebfu kh\u00ed n\u00e9n l\u1eabn n\u01b0\u1edbc b\u1eafn v\u00e0o b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m, n\u00f3 s\u1ebd t\u1ea1o ra c\u00e1c \u0111\u1ed1m r\u1ed9p (khi s\u01a1n), l\u00e0m nh\u00f2e m\u1ef1c in, ho\u1eb7c g\u00e2y n\u1ea5m m\u1ed1c tr\u00ean v\u1ea3i v\u00f3c, d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i ph\u1ebf ph\u1ea9m h\u00e0ng lo\u1ea1t.<\/p>\n<\/li>\n
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T\u00ea li\u1ec7t h\u1ec7 th\u1ed1ng khi th\u1eddi ti\u1ebft l\u1ea1nh:<\/b> V\u00e0o m\u00f9a \u0111\u00f4ng \u1edf mi\u1ec1n B\u1eafc, l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u01b0ng t\u1ee5 trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ngo\u00e0i tr\u1eddi c\u00f3 th\u1ec3 b\u1ecb \u0111\u00f3ng b\u0103ng. C\u00e1c c\u1ee5c b\u0103ng n\u00e0y n\u1edf ra l\u00e0m n\u1ee9t v\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c l\u00e0m k\u1eb9t c\u1ee9ng c\u00e1c van \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng.<\/p>\n<\/li>\n<\/ul>\n
Nguy\u00ean nh\u00e2n c\u1ed1t l\u00f5i khi\u1ebfn h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u00f3 n\u01b0\u1edbc<\/h2>\n
Trong nh\u1eefng \u0111\u1ee3t nghi\u00ean c\u1ee9u v\u00e0 \u0111o \u0111\u1ea1c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, t\u00f4i ph\u00e1t hi\u1ec7n ra c\u00f3 4 nguy\u00ean nh\u00e2n ch\u00ednh, mang t\u00ednh logic t\u1eeb \u0111\u1ea7u ngu\u1ed3n \u0111\u1ebfn cu\u1ed1i ngu\u1ed3n t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n
1. Hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 v\u1eadt l\u00fd do thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 (\u0110i\u1ec3m s\u01b0\u01a1ng)<\/h3>\n
Nguy\u00ean nh\u00e2n \u0111\u1ea7u ti\u00ean \u0111\u1ebfn t\u1eeb ch\u00ednh t\u1ef1 nhi\u00ean. Kh\u00f4ng kh\u00ed ch\u00fang ta h\u00edt th\u1edf lu\u00f4n ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh (\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i). Khi m\u00e1y n\u00e9n kh\u00ed h\u00fat kh\u1ed1i kh\u00f4ng kh\u00ed n\u00e0y v\u00e0o v\u00e0 n\u00e9n l\u1ea1i v\u1edbi \u00e1p su\u1ea5t cao (th\u01b0\u1eddng l\u00e0 7 \u0111\u1ebfn 8 bar), th\u1ec3 t\u00edch kh\u00f4ng kh\u00ed b\u1ecb thu h\u1eb9p l\u1ea1i nh\u01b0ng l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc th\u00ec kh\u00f4ng \u0111\u1ed5i, d\u1eabn \u0111\u1ebfn m\u1eadt \u0111\u1ed9 h\u01a1i n\u01b0\u1edbc d\u00e0y \u0111\u1eb7c.<\/p>\n
K\u00e8m theo \u0111\u00f3, qu\u00e1 tr\u00ecnh n\u00e9n sinh ra nhi\u1ec7t l\u01b0\u1ee3ng r\u1ea5t l\u1edbn (kh\u00ed ra kh\u1ecfi bu\u1ed3ng n\u00e9n c\u00f3 th\u1ec3 l\u00ean t\u1edbi 80-90\u00b0C). Khi lu\u1ed3ng kh\u00ed n\u00f3ng \u1ea9m n\u00e0y \u0111i qua b\u1ed9 t\u1ea3n nhi\u1ec7t ho\u1eb7c di chuy\u1ec3n v\u00e0o m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng trong x\u01b0\u1edfng c\u00f3 nhi\u1ec7t \u0111\u1ed9 m\u00e1t h\u01a1n (kho\u1ea3ng 30\u00b0C), n\u00f3 s\u1ebd b\u1ecb h\u1ea1 nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t. Nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m khi\u1ebfn kh\u00f4ng kh\u00ed kh\u00f4ng th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c h\u01a1i n\u01b0\u1edbc n\u1eefa (\u0111\u1ea1t \u0111\u1ebfn \u0110i\u1ec3m s\u01b0\u01a1ng – Dew point), h\u01a1i n\u01b0\u1edbc s\u1ebd l\u1eadp t\u1ee9c ng\u01b0ng t\u1ee5 th\u00e0nh nh\u1eefng gi\u1ecdt n\u01b0\u1edbc d\u1ea1ng l\u1ecfng b\u00e1m tr\u00ean th\u00e0nh \u1ed1ng.<\/p>\n
L\u01b0\u1ee3ng n\u01b0\u1edbc n\u00e0y nhi\u1ec1u h\u01a1n b\u1ea1n t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1ea5t nhi\u1ec1u: M\u1ed9t m\u00e1y n\u00e9n kh\u00ed 50HP ch\u1ea1y li\u00ean t\u1ee5c trong m\u1ed9t ng\u00e0y h\u00e8 oi b\u1ee9c c\u00f3 th\u1ec3 s\u1ea3n sinh ra h\u01a1n 100 l\u00edt n\u01b0\u1edbc ng\u01b0ng t\u1ee5.<\/p>\n
2. M\u00e1y s\u1ea5y kh\u00ed (Air Dryer) ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3 ho\u1eb7c h\u1ecfng h\u00f3c<\/h3>\n
\u0110\u1ec3 gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n ng\u01b0ng t\u1ee5 \u1edf nguy\u00ean nh\u00e2n th\u1ee9 nh\u1ea5t, ng\u01b0\u1eddi ta l\u1eafp \u0111\u1eb7t th\u00eam M\u00e1y s\u1ea5y kh\u00ed t\u00e1c nh\u00e2n l\u1ea1nh ngay sau m\u00e1y n\u00e9n. Nhi\u1ec7m v\u1ee5 c\u1ee7a n\u00f3 l\u00e0 ch\u1ee7 \u0111\u1ed9ng l\u00e0m l\u1ea1nh lu\u1ed3ng kh\u00ed n\u00e9n xu\u1ed1ng ng\u01b0\u1ee1ng 3\u00b0C – 5\u00b0C \u0111\u1ec3 \u00e9p to\u00e0n b\u1ed9 h\u01a1i n\u01b0\u1edbc ng\u01b0ng t\u1ee5 th\u00e0nh l\u1ecfng v\u00e0 x\u1ea3 ra ngo\u00e0i, tr\u01b0\u1edbc khi c\u1ea5p kh\u00ed kh\u00f4 v\u00e0o x\u01b0\u1edfng.<\/p>\n
Khi kh\u1ea3o s\u00e1t c\u00e1c tr\u1ea1m m\u00e1y g\u1eb7p s\u1ef1 c\u1ed1, t\u00f4i th\u01b0\u1eddng xuy\u00ean ph\u00e1t hi\u1ec7n m\u00e1y s\u1ea5y kh\u00ed c\u1ee7a h\u1ecd \u0111ang \u1edf t\u00ecnh tr\u1ea1ng “ch\u1ea1y cho c\u00f3”. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do m\u00e1y s\u1ea5y b\u1ecb r\u00f2 r\u1ec9 h\u1ebft gas l\u1ea1nh, l\u1ed1c n\u00e9n l\u1ea1nh b\u1ecb ch\u00e1y, qu\u1ea1t t\u1ea3n nhi\u1ec7t c\u1ee7a m\u00e1y s\u1ea5y b\u1ecb ngh\u1eb9t c\u1ee9ng b\u1edfi b\u1ee5i b\u1ea9n khi\u1ebfn n\u00f3 kh\u00f4ng th\u1ec3 l\u00e0m l\u1ea1nh kh\u00ed xu\u1ed1ng m\u1ee9c y\u00eau c\u1ea7u. H\u1eadu qu\u1ea3 l\u00e0 h\u01a1i \u1ea9m d\u1ec5 d\u00e0ng v\u01b0\u1ee3t qua r\u00e0o ch\u1eafn n\u00e0y \u0111i th\u1eb3ng v\u00e0o nh\u00e0 m\u00e1y.<\/p>\n
3. H\u1ec7 th\u1ed1ng van x\u1ea3 \u0111\u00e1y t\u1ef1 \u0111\u1ed9ng (Auto Drain Valve) b\u1ecb t\u1eafc ngh\u1ebdn<\/h3>\n
C\u00e1c \u0111i\u1ec3m tr\u0169ng trong h\u1ec7 th\u1ed1ng nh\u01b0 \u0111\u00e1y b\u00ecnh ch\u1ee9a kh\u00ed n\u00e9n, \u0111\u00e1y b\u1ea7u l\u1ecdc tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng, hay bu\u1ed3ng gom n\u01b0\u1edbc c\u1ee7a m\u00e1y s\u1ea5y \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c van x\u1ea3 n\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng (lo\u1ea1i phao c\u01a1 ho\u1eb7c lo\u1ea1i h\u1eb9n gi\u1edd b\u1eb1ng \u0111i\u1ec7n t\u1eeb). Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, kh\u00ed n\u00e9n th\u01b0\u1eddng l\u1eabn b\u1ee5i c\u1eb7n v\u00e0 d\u1ea7u b\u00f4i tr\u01a1n keo l\u1ea1i. Nh\u1eefng c\u1eb7n b\u1ea9n n\u00e0y tr\u00f4i xu\u1ed1ng v\u00e0 b\u00edt k\u00edn c\u00e1c l\u1ed7 tho\u00e1t c\u1ee7a van x\u1ea3 t\u1ef1 \u0111\u1ed9ng. Khi van kh\u00f4ng th\u1ec3 m\u1edf, n\u01b0\u1edbc ng\u01b0ng t\u1ee5 s\u1ebd d\u00e2ng l\u00ean cao v\u00e0 cu\u1ed1i c\u00f9ng b\u1ecb lu\u1ed3ng kh\u00f4ng kh\u00ed cu\u1ed1n ng\u01b0\u1ee3c tr\u1edf l\u1ea1i m\u1ea1ng l\u01b0\u1edbi.<\/p>\n
Doanh nghi\u1ec7p n\u00ean l\u1ef1a ch\u1ecdn m\u00e1y n\u00e9n kh\u00ed ch\u1ea5t l\u01b0\u1ee3ng cao<\/a> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh.<\/p>\n
4. Thi\u1ebft k\u1ebf m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed sai ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt<\/h3>\n
Ngay c\u1ea3 khi c\u1ee5m m\u00e1y t\u1ea1o kh\u00ed c\u1ee7a b\u1ea1n ho\u00e0n h\u1ea3o, \u0111\u01b0\u1eddng \u1ed1ng thi\u1ebft k\u1ebf sai v\u1eabn khi\u1ebfn b\u1ea1n l\u00e3nh \u0111\u1ee7 h\u1eadu qu\u1ea3. Sai l\u1ea7m kinh \u0111i\u1ec3n nh\u1ea5t m\u00e0 t\u00f4i g\u1eb7p \u1edf c\u00e1c t\u1ed5 \u0111\u1ed9i thi c\u00f4ng thi\u1ebfu kinh nghi\u1ec7m l\u00e0 \u0111i \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh n\u1eb1m ngang tuy\u1ec7t \u0111\u1ed1i m\u00e0 kh\u00f4ng t\u1ea1o \u0111\u1ed9 d\u1ed1c.<\/p>\n
Th\u1ee9 hai, khi tr\u00edch \u0111\u01b0\u1eddng \u1ed1ng nh\u00e1nh xu\u1ed1ng cho m\u00e1y m\u00f3c, h\u1ecd l\u1ea1i l\u1ea5y kh\u00ed t\u1eeb d\u01b0\u1edbi \u0111\u00e1y<\/i> or ngang h\u00f4ng<\/i> c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh. N\u01b0\u1edbc n\u1eb7ng h\u01a1n kh\u00ed lu\u00f4n ch\u1ea3y \u1edf s\u00e1t m\u1eb7t d\u01b0\u1edbi c\u1ee7a \u1ed1ng ch\u00ednh, vi\u1ec7c tr\u00edch nh\u00e1nh t\u1eeb d\u01b0\u1edbi \u0111\u00e1y ch\u1eb3ng kh\u00e1c n\u00e0o b\u1ea1n \u0111ang c\u1ed1 t\u00ecnh d\u1eabn n\u01b0\u1edbc \u0111\u1ed5 th\u1eb3ng v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh.<\/p>\n
C\u00e1c b\u01b0\u1edbc gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 t\u00ecnh tr\u1ea1ng m\u00e1y n\u00e9n kh\u00ed ra n\u01b0\u1edbc<\/h2>\n
Vi\u1ec7c x\u1eed l\u00fd h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u00f3 n\u01b0\u1edbc kh\u00f4ng kh\u00f3, mi\u1ec5n l\u00e0 b\u1ea1n th\u1ef1c hi\u1ec7n r\u00e0 so\u00e1t theo m\u1ed9t quy tr\u00ecnh tu\u1ea7n t\u1ef1, c\u1eaft \u0111\u1ee9t t\u1eebng m\u1eaft x\u00edch c\u1ee7a s\u1ef1 c\u1ed1. Khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 ho\u1eb7c t\u1ef1 b\u1ea3o d\u01b0\u1ee1ng, b\u1ea1n h\u00e3y \u00e1p d\u1ee5ng c\u00e1c b\u01b0\u1edbc sau m\u00e0 t\u00f4i lu\u00f4n y\u00eau c\u1ea7u \u0111\u1ed9i ng\u0169 c\u1ee7a m\u00ecnh th\u1ef1c hi\u1ec7n:<\/p>\n
B\u01b0\u1edbc 1: R\u00e0 so\u00e1t v\u00e0 v\u1ec7 sinh to\u00e0n b\u1ed9 van x\u1ea3 t\u1ef1 \u0111\u1ed9ng<\/h3>\n
H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e1y b\u00ecnh ch\u1ee9a kh\u00ed n\u00e9n \u2013 n\u01a1i t\u00edch t\u1ee5 l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn nh\u1ea5t. B\u1ea1n h\u00e3y m\u1edf van bypass (van x\u1ea3 tay) xem c\u00f3 bao nhi\u00eau n\u01b0\u1edbc tr\u00e0o ra. Sau \u0111\u00f3, th\u00e1o c\u00e1c b\u1ed9 van x\u1ea3 t\u1ef1 \u0111\u1ed9ng h\u1eb9n gi\u1edd b\u1eb1ng \u0111i\u1ec7n t\u1eeb ra. Ng\u00e2m r\u1eeda s\u1ea1ch ph\u1ea7n l\u00f5i p\u00edt-t\u00f4ng b\u00ean trong \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n d\u1ea7u v\u00e0 r\u1ec9 s\u00e9t. N\u1ebfu van phao c\u01a1 b\u1ecb k\u1eb9t, h\u00e3y thay th\u1ebf ngay l\u1eadp t\u1ee9c. \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi \u0111i\u1ec3m x\u1ea3 n\u01b0\u1edbc trong ph\u00f2ng m\u00e1y trung t\u00e2m \u0111\u1ec1u \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n
B\u01b0\u1edbc 2: Ki\u1ec3m tra t\u1ed5ng th\u1ec3 hi\u1ec7u su\u1ea5t Air dryer<\/a><\/h3>\n
Ki\u1ec3m tra xem qu\u1ea1t t\u1ea3n nhi\u1ec7t c\u1ee7a m\u00e1y s\u1ea5y t\u00e1c nh\u00e2n l\u1ea1nh c\u00f3 \u0111ang quay kh\u00f4ng. D\u00f9ng kh\u00ed n\u00e9n x\u1ecbt s\u1ea1ch c\u00e1c l\u00e1 nh\u00f4m c\u1ee7a gi\u00e0n ng\u01b0ng t\u1ee5 (Condenser) b\u1ecb b\u00e1m b\u1ee5i b\u1ea9n. Ti\u1ebfp theo, h\u00e3y s\u1edd tay v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ed3ng \u0111\u1ea7u ra c\u1ee7a l\u1ed1c l\u1ea1nh b\u00ean trong m\u00e1y s\u1ea5y, n\u1ebfu th\u1ea5y kh\u00f4ng c\u00f3 c\u1ea3m gi\u00e1c bu\u1ed1t tay (hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1m m\u1ed3 h\u00f4i h\u1ed9t), ch\u1ee9ng t\u1ecf m\u00e1y \u0111\u00e3 h\u1ebft gas ho\u1eb7c block l\u1ea1nh b\u1ecb h\u1ecfng. B\u1ea1n c\u1ea7n g\u1ecdi th\u1ee3 \u0111i\u1ec7n l\u1ea1nh c\u00f4ng nghi\u1ec7p \u0111\u1ebfn h\u00fat ch\u00e2n kh\u00f4ng, ki\u1ec3m tra r\u00f2 r\u1ec9 v\u00e0 n\u1ea1p l\u1ea1i gas (nh\u01b0 R410a, R134a ho\u1eb7c R407c) theo \u0111\u00fang \u0111\u1ecbnh m\u1ee9c.<\/p>\n
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