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首頁 技術(shù)中心>發(fā)動(dòng)機(jī)搖臂和搖臂軸的安裝方法步驟與螺絲螺帽扭矩參數(shù)強(qiáng)鹿約翰迪爾John Deere

發(fā)動(dòng)機(jī)搖臂和搖臂軸的安裝方法步驟與螺絲螺帽扭矩參數(shù)強(qiáng)鹿約翰迪爾John Deere

2022/8/25 8:15:16

發(fā)動(dòng)機(jī)搖臂和搖臂軸的安裝方法步驟與螺絲螺帽扭矩參數(shù)強(qiáng)鹿約翰迪爾John Deere

1.將推桿安裝在從中拆下的孔中。

2.在閥桿頂端安裝耐磨蓋,確保耐磨蓋在閥桿上自由旋轉(zhuǎn)。

3.將搖臂對(duì)準(zhǔn)耐磨墊的中心。

4.將兩個(gè)搖臂卡箍至氣缸蓋有頭螺釘(A)擰緊至以下規(guī)格:

安裝推桿和蓋

初始搖臂

卡箍到缸蓋蓋

規(guī)格

螺釘扭矩…….30牛頓·米(22-英尺)

5.完全松開一個(gè)帶帽螺釘。

6.將松動(dòng)的帶帽螺釘擰緊至以下規(guī)格:

最終搖臂

卡箍到缸蓋蓋

規(guī)格

螺釘扭矩轉(zhuǎn)數(shù)……10 N•m+60 7磅英尺+60)

7.對(duì)第二個(gè)帶帽螺釘重復(fù)松開和扭轉(zhuǎn)程序。如果搖臂未在耐磨墊上居中,松開兩個(gè)帶帽螺釘,然后重復(fù)該步驟。

8.調(diào)整強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)氣門間隙。請(qǐng)參閱本組前面的調(diào)整氣門間隙。

安裝搖臂總成

檢查并清潔呼吸機(jī)出口軟管

1.檢查搖臂蓋上的通風(fēng)機(jī)出口軟管是否彎曲或損壞。必要時(shí)更換。

2.如果通風(fēng)軟管受限,請(qǐng)清潔通風(fēng)軟管。

完成強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)燃油泵側(cè)的最終組裝,

1.調(diào)整氣門間隙(如果之前未進(jìn)行)。

021 2.安裝電子噴油器、燃油進(jìn)口接頭和燃油

40泄漏接頭、燃油輸送管和燃油泄漏管。請(qǐng)參閱CTM255090組中的安裝電子噴油器。

3.安裝托架和搖臂蓋。按照規(guī)范擰緊帶帽螺釘。

規(guī)格

托架至缸蓋蓋

螺釘扭矩8牛頓·米(6-英尺)(72-英寸)

搖臂蓋到托架蓋

螺釘扭矩8牛頓·米(6-英尺)(72-英寸)

注意:確保通風(fēng)機(jī)出口軟管打開,適配器清潔。阻塞可能導(dǎo)致高油壓和可能的機(jī)油損失。

4.將通風(fēng)機(jī)出口軟管連接到搖臂蓋上的適配器,并牢固擰緊卡箍。

5.安裝冷卻液歧管。請(qǐng)參見第070組中的安裝冷卻液歧管。

完成強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)排氣歧管側(cè)的最終裝配,

注:應(yīng)用PT569 NEVER-SEEZ 復(fù)合或

等同于所有渦輪增壓器帶帽螺釘。

從未見過排氣歧管帶帽螺釘上不需要。導(dǎo)向螺柱可用于輔助裝配。

1.使用新墊片安裝進(jìn)氣歧管(B)。按照規(guī)范擰緊帶帽螺釘。

規(guī)格

進(jìn)氣歧管至氣缸壓頭扭矩……47牛頓·米(35-英尺)

安裝進(jìn)氣和排氣歧管

2.在后排氣歧管(C)的凹槽中安裝新的密封圈(a)。

3.安裝前排氣歧管(D)和后排氣歧管。

4.使用新墊片和導(dǎo)向螺柱安裝排氣歧管總成。按照規(guī)范擰緊帶帽螺釘。

規(guī)格

排氣歧管至氣缸

頭部扭矩……47牛•米(35-英尺)

5.使用新的金屬墊片安裝渦輪增壓器。應(yīng)用PT569 NEVER-SEEZ 按照規(guī)范對(duì)帶帽螺釘進(jìn)行復(fù)合并擰緊。

規(guī)格

排氣歧管中的密封圈

A-密封圈B-進(jìn)氣歧管C-后排氣歧管

D-前排氣歧管

渦輪增壓器帶帽螺釘-扭矩………24牛頓·米(18-英尺)

6.使用新墊片將渦輪增壓器回油管連接到渦輪增壓器。按照規(guī)范擰緊帶帽螺釘。

規(guī)格

渦輪增壓器回油管至渦輪增壓器蓋螺釘扭矩:27牛頓·米(20-英尺)

7.連接渦輪增壓器進(jìn)油口并擰緊。

8.如果強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)機(jī)油從曲軸箱中排出,則安裝新的機(jī)油濾清器并加注正確等級(jí)和粘度的清潔機(jī)油。參見組002中的柴油強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)機(jī)油。

9.用清潔的冷卻液加注冷卻系統(tǒng)。請(qǐng)參見組002中的柴油強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)冷卻液。

10.執(zhí)行強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)磨合。請(qǐng)參閱本組后面的執(zhí)行強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)磨合。

執(zhí)行強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)磨合

1.在低怠速空載下運(yùn)行強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)2分鐘。檢查有無液體泄漏。

2.將轉(zhuǎn)速提高至快速怠速,然后將負(fù)載降至額定轉(zhuǎn)速以上50 RPM,持續(xù)20分鐘。

注:測功機(jī)是首選的負(fù)載控制,但可以通過將阻力負(fù)載與檔位選擇匹配來加載強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)。

3.重新檢查氣門間隙,必要時(shí)進(jìn)行調(diào)整。參見本組前面的止回閥間隙序列號(hào)(200000-)。

4.安裝搖臂蓋墊片和蓋。將搖臂蓋帶帽螺釘擰緊至技術(shù)規(guī)格。

規(guī)格

搖臂蓋至氣缸

有頭螺釘扭矩…8牛頓·米(6-英尺)(72-英寸)不需要在強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)磨合后重新擰緊缸蓋有頭螺釘。

重要事項(xiàng):強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)磨合后,請(qǐng)遵循以下步驟

操作員手冊(cè)中列出的建議每小時(shí)服務(wù)間隔。

Install Rocker Arm Assembly Serial Number (200,000— )

1.      Install push rods in holes from which removed.

2.      Install wear caps on valve stem tips, make certain caps rotate freely on valve stems.

3.      Align rocker arms centered on wear pads.

4.      Tighten both rocker arm clamp-to-cylinder head capscrews (A) to specifications below:

Installing Push Rods and Caps

Initial Rocker Arm

Clamp-to-Cylinder Head Cap

Specification

Screw—Torque........  30 N•m (22 lb-ft)

5.      Loosen one cap screw completely.

6.      Tighten loose cap screw to following specification:

Final Rocker Arm

Clamp-to-Cylinder Head Cap

Specification

Screw—Torque Turn ......  10 N•m + 60 (7 lb-ft + 60)

7.      Repeat loosening and torque turn procedure for second cap screw. If rocker arm is not centered on wear pads, loosen both cap screws, and repeat procedure.

8.      Adjust engine valve clearance. See ADJUST VALVE CLEARANCE SERIAL NUMBER (200,000— ) earlier in this group.

Installing Rocker Arm Assembly

Inspect and Clean Ventilator Outlet Hose Serial Number (200,000— )

1.      Check ventilator outlet hose on rocker arm cover for bent or damaged condition. Replace if necessary.

2.      Clean ventilator hose if restricted.

Complete Final Assembly of Fuel Pump Side of Engine Serial Number (200,000— )

1.  Adjust valve clearance, if not previously done.

02

021   2.  Install electronic injectors, fuel inlet connectors, fuel

40     leak-off connectors, fuel delivery lines, and fuel leak-off lines. See INSTALL ELECTRONIC INJECTORS, in Group 090 of CTM255.

3. Install carrier and rocker arm cover. Tighten cap screws to specifications.

Specification

Carrier-to-Cylinder Head Cap

Screws—Torque .................................................. 8 N•m (6 lb-ft) (72 lb-in.)

Rocker Arm Cover-to-Carrier Cap

Screws—Torque .................................................. 8 N•m (6 lb-ft) (72 lb-in.)

NOTE: Make sure ventilator outlet hose is open and adapter is clean. A restriction could cause high oil pressure and possible loss of oil.

4.      Connect ventilator outlet hose to adapter on rocker arm cover and tighten clamp securely.

5.      Install coolant manifold. See INSTALL COOLANT MANIFOLD in Group 070.

Complete Final Assembly on Exhaust Manifold Side of Engine Serial Number (200,000— )

NOTE:  APPLY PT569 NEVER-SEEZ Compound or

equivalent to all turbocharger cap screws.

NEVER-SEEZ is not needed on exhaust manifold cap screws. Guide studs may be used to aid assembly.

1.      Install intake manifold (B) using new gaskets. Tighten cap screws to specifications.

Specification

Intake Manifold-to-Cylinder

Head—Torque .......  47 N•m (35 lb-ft)

Installing Intake and Exhaust Manifolds

2.      Install a new sealing ring (A) in groove of rear exhaust manifold (C).

3.      Assemble front exhaust manifold (D) and rear exhaust manifold.

4.      Install exhaust manifold assembly using new gaskets and guide studs. Tighten cap screws to specifications.

Specification

Exhaust Manifold-to-Cylinder

Head—Torque .....  47 N•m (35 lb-ft)

5.      Install turbocharger using a new metal gasket. Apply PT569 NEVER-SEEZ Compound and tighten cap screws to specifications.

Specification

Sealing Ring in Exhaust Manifold

A—Sealing  Ring B—Intake Manifold C—Rear Exhaust Manifold

D—Front Exhaust Manifold

Turbocharger Cap Screws—

Torque .........  24 N•m (18 lb-ft)

6.      Connect turbocharger oil return pipe to turbocharger using a new gasket. Tighten cap screws to specifications.

Specification

Turbocharger Oil Return Pipe-to-Turbocharger Cap

Screws—Torque ..............................................................  27 N•m (20 lb-ft)

7.      Connect turbocharger oil inlet and tighten securely.

8.      If engine oil was drained from crankcase, install new oil filter and fill with clean oil of correct grade and  viscosity. See DIESEL ENGINE OIL in Group 002.

9.      Fill cooling system with clean coolant. See DIESEL ENGINE COOLANT in Group 002.

10. Perform engine break-in. See PERFORM ENGINE BREAK-IN SERIAL NUMBER (200,000— ) later in this group.

Perform Engine Break-In Serial Number (200,000— )

1.      Run engine at slow idle no load for 2 minutes. Check for liquid leaks.

2.      Increase RPM to fast idle, then load down to 50 rpm above rated speed for 20 minutes.

NOTE: Dynamometer is the preferred load control, but engine can be loaded by matching drag loads to gear selection.

3.      Recheck valve clearance and adjust as necessary. See CHECK VALVE CLEARANCE SERIAL NUMBER (200,000— ) earlier in this group.

4.      Install rocker arm cover gasket and cover. Tighten rocker arm cover cap screws to specifications.

Specification

Rocker Arm Cover-to-Cylinder

Head Cap Screw—Torque.... 8 N•m (6 lb-ft) (72 lb-in.)

Retorque of cylinder head cap screws after engine break-in is not required.

IMPORTANT:  After engine break-in, follow ALL

recommended hourly service intervals outlined in your Operator’s Manual.

約翰迪爾7830拖拉機(jī)——搶農(nóng)時(shí)的有力保障,今年春季,部隊(duì)某農(nóng)副業(yè)基地克服種種不利的客觀條件,搶前抓早,及時(shí)播種。該基地新引進(jìn)的約翰迪爾7830拖拉機(jī)在今年的春播生產(chǎn)中大顯神威,青海Perkins帕金斯4016-61TRG3強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)曲軸前后油封大概的價(jià)錢,甘南Perkins帕金斯4008TAG強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)柴油機(jī)油空氣濾清器供應(yīng)服務(wù)商,烏蘭察布卡特caTC1.1強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)大修包一臺(tái)多少錢,阿拉善Perkins帕金斯1106D-E70TAG3強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)氣門導(dǎo)管油封去哪找,棗莊Perkins帕金斯403F-11強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)電子供油泵、提升輸油泵電話,杭州Perkins帕金斯1506D-E88TAG5強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)汽缸床去哪找,三亞Perkins帕金斯4008TAG2強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)曲軸箱配件去哪找,牡丹江Perkins帕金斯403D-11強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)缸套組件多少錢,焦作Perkins帕金斯404D-22TAG強(qiáng)鹿約翰迪爾John Deere柴油發(fā)動(dòng)機(jī)水溫機(jī)油壓力轉(zhuǎn)速傳感器代理商,充分展示了約翰迪爾拖拉機(jī)的優(yōu)秀品質(zhì)和給用戶帶來的真正價(jià)值。54日,該基地應(yīng)用裝配AutoTrac SF2 自動(dòng)駕駛系統(tǒng)的約翰迪爾7830拖拉機(jī)進(jìn)行試播,通過一下午的調(diào)試,駕駛員已經(jīng)能夠比較熟練的操作7830拖拉機(jī)進(jìn)行播種作業(yè)。使用約翰迪爾拖拉機(jī)和Auto Trac SF2 自動(dòng)駕駛系統(tǒng)大大提高了播種速度、減輕了駕駛員的疲勞強(qiáng)度,同時(shí)可以24小時(shí)不間斷的播種,從而為搶農(nóng)時(shí)提供了有力的保障。

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