{"id":2917,"date":"2023-11-17T23:48:07","date_gmt":"2023-11-17T22:48:07","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2917"},"modified":"2023-11-17T23:48:07","modified_gmt":"2023-11-17T22:48:07","slug":"adjusting-injection-timing-begin-of-delivery-high-pressure-method-following-checkup","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/17\/adjusting-injection-timing-begin-of-delivery-high-pressure-method-following-checkup\/","title":{"rendered":"Adjusting injection timing (begin of delivery) (high pressure method) following checkup"},"content":{"rendered":"

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07.1-115 Adjusting injection timing (begin of delivery) (high pressure method) <\/strong>following checkup<\/strong><\/div>\n<\/div>\n<\/td>\n
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Job no. of flat rates or standard texts and flat rates data 07\u20148300.<\/div>\n<\/div>\n<\/td>\n
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Special tool<\/strong><\/div>\n<\/div>\n<\/td>\n
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Socket element 13 mm, 3\/8″ square<\/div>\n<\/div>\n<\/td>\n
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000 589 21 07 22<\/div>\n<\/div>\n<\/td>\n
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Preparation for checkup<\/strong><\/div>\n<\/div>\n<\/td>\n
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Prior to adjustment, check begin of delivery (07.1-109 or 07.1-110).<\/div>\n<\/div>\n<\/td>\n
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A. Preparing for adjustment<\/div>\n<\/div>\n<\/td>\n
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1\u00a0 \u00a0 Set crankshaft in direction of rotation to 24\u00b0 + 1\u00b0 before TDC in compression stroke of first cylinder.<\/div>\n
2\u00a0 \u00a0Loosen fastening nuts on injection pump flange and nut or screw on supporting bracket.<\/div>\n<\/div>\n<\/td>\n
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For loosening and tightening of fastening nuts or screws on supporting bracket, use self-bent box end wrench 13 mm.<\/div>\n<\/div>\n<\/td>\n
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07.1.8-115\/1 F3<\/div>\n<\/div>\n<\/td>\n
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B. Adjustment (high pressure method)<\/div>\n<\/div>\n<\/td>\n
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1 Unscrew all injection lines.<\/div>\n<\/div>\n<\/td>\n
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2 Screw pressure limiting valves (arrow) on pipe connections of injection pump.<\/div>\n
The pressure limiting valves are required to protect the injection pump, e.g. when cranking with starter.<\/div>\n<\/div>\n<\/td>\n
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3\u00a0 \u00a0Switch on pump unit.<\/div>\n
4\u00a0 \u00a0Swivel injection pump while watching fuel jet. Begin of delivery is attained, when the fuel jet changes <\/strong>into a formation of droplets (arrow).<\/strong><\/div>\n<\/div>\n<\/td>\n
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Nominal value: 24\u00b0 + 1\u00b0 before TDC.<\/div>\n<\/div>\n<\/td>\n
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Swivel direction of injection pump<\/strong><\/div>\n
Toward engine = advances begin of delivery Away from engine = retards begin of delivery<\/div>\n
Note: <\/strong>If possibilities for adjustment are insufficient, the injection pump must be changed over.<\/div>\n
5\u00a0 \u00a0Check begin of delivery once again.<\/div>\n
6\u00a0 \u00a0Shut off pump unit.<\/div>\n
7\u00a0 \u00a0Assemble injection system.<\/div>\n
8\u00a0 \u00a0Vent injection system (07.1 \u2014 140). Run engine and check ail connections for leaks.<\/div>\n<\/div>\n<\/td>\n
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A Fuel jet full<\/strong><\/div>\n
B Fuel jet constricted<\/strong><\/div>\n
prior to begin of delivery C Formation of droplets <\/strong>begin of delivery<\/div>\n<\/div>\n<\/td>\n
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07.1.8-115\/2 F3<\/div>\n<\/div>\n<\/td>\n
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C. Adjustment (low pressure method)<\/div>\n<\/div>\n<\/td>\n
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1 Swivel injection pump until fuel changes to droplets at overflow pipe. Formation of droplets: One droplet per second.<\/div>\n
Attention!<\/strong><\/div>\n
While measuring, push regulating lever of injection pump to full load and pull vacuum hose from vacuum control unit.<\/div>\n<\/div>\n<\/td>\n
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Note: <\/strong>On pipe connections with relief orifice (2), no full fuel jet will come out of overflow pipe. However, measuring accuracy will not be impaired.<\/div>\n<\/div>\n<\/td>\n
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Pipe connection MW-injection pump<\/div>\n<\/div>\n<\/td>\n
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Swivelling direction<\/strong><\/div>\n
toward engine = advances begin of delivery, away from engine = retards begin of delivery.<\/div>\n
Note: <\/strong>Injection pump will have to be relocated if adjustment is inadequate (07.1\u2014205).<\/div>\n<\/div>\n<\/td>\n
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2\u00a0 \u00a0Attach injection pump and recheck begin of delivery.<\/div>\n
Install damper, adjust (07.1-200).<\/div>\n
3\u00a0 \u00a0Attaeh injection pump.<\/div>\n
4\u00a0 \u00a0Unscrew overflow pipe and pipe connection.<\/div>\n<\/div>\n<\/td>\n
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1\u00a0 \u00a0 Pipe connection<\/div>\n
3\u00a0 \u00a0 Compression spring<\/div>\n
4\u00a0 \u00a0 Delivery valve<\/div>\n
5\u00a0 \u00a0 Copper sealing ring<\/div>\n
6\u00a0 \u00a0 Delivery valve holder<\/div>\n<\/div>\n<\/td>\n
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07.1.8-115\/3 F3<\/div>\n<\/div>\n<\/td>\n
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5\u00a0 \u00a0Fit pipe connection.<\/div>\n
Remove delivery valve holder (6), checking whether delivery valve (4) moves freely in holder (6).<\/div>\n
Insert delivery valve holder (6) with annular groove pointing downward.<\/div>\n
Attention!<\/strong><\/div>\n
Starting with Bosch production date „249” (September 1982) the annular groove should point upwards.<\/div>\n
The copper sealing ring is located beneath the deli\u00advery valve holder and need not be exchanged.<\/div>\n
Smear thread of pipe connection (1) with oil, insert connection and torque to 40\u201450 Nm in one step.<\/strong><\/div>\n
6\u00a0 \u00a0Fit injection lines and vent injection system (07.1-140).<\/div>\n
7\u00a0 \u00a0Check throttle linkage and adjust, if required (30-300).<\/div>\n
8\u00a0 \u00a0Run engine and check all connections for leakage. Any pipe connection that is leaking has to be ex\u00adchanged. In this case exchange copper sealing ring <\/strong>beneath delivery valve holder (07.1\u2014210).<\/strong><\/div>\n<\/div>\n<\/td>\n
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107-25354<\/strong><\/div>\n<\/div>\n<\/td>\n
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07.1.8-115\/4<\/div>\n<\/div>\n<\/td>\n
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F 3<\/div>\n<\/div>\n<\/td>\n
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    07.1-115 Adjusting injection timing (begin of delivery) (high pressure method) following checkup   Job no. of flat rates or standard texts and flat rates data 07\u20148300.   Special tool   Socket element 13 mm, 3\/8″ square 000 589 21 07 22   Preparation for checkup   Prior to adjustment, check begin of delivery (07.1-109 or 07.1-110).   A. Preparing for adjustment 1\u00a0 \u00a0 Set crankshaft in direction of rotation to 24\u00b0 + 1\u00b0 before TDC in compression stroke of first cylinder. 2\u00a0 \u00a0Loosen fastening nuts on injection pump flange and nut or screw on supporting bracket.   For loosening and tightening of fastening nuts or screws on supporting bracket, use self-bent box end wrench 13 mm.   07.1.8-115\/1 F3       B. Adjustment (high pressure method)   1 Unscrew all injection lines.   2 Screw pressure limiting valves (arrow) on pipe connections of injection pump. The pressure limiting valves are required to protect the injection pump, e.g. when cranking with starter.   3\u00a0 \u00a0Switch on pump unit. 4\u00a0 \u00a0Swivel injection pump while watching fuel jet. Begin of delivery is attained, when the fuel jet changes into a formation of droplets (arrow). Nominal value: 24\u00b0 + 1\u00b0 before TDC. Swivel direction of injection pump Toward engine = advances begin of delivery Away from engine = retards begin of delivery Note: If possibilities for adjustment are insufficient, the injection pump must be changed over. 5\u00a0 \u00a0Check begin of delivery once again. 6\u00a0 \u00a0Shut off pump unit. 7\u00a0 \u00a0Assemble injection system. 8\u00a0 \u00a0Vent injection system (07.1 \u2014 140). Run engine and check ail connections for leaks. A Fuel jet full B Fuel jet constricted prior to begin of delivery C Formation of droplets begin of delivery   07.1.8-115\/2 F3       C. Adjustment (low pressure method)   1 Swivel injection pump until fuel changes to droplets at overflow pipe. Formation of droplets: One droplet per second. Attention! While measuring, push regulating lever of injection pump to full load and pull vacuum hose from vacuum control unit.   Note: On pipe connections with relief orifice (2), no full fuel jet will come out of overflow pipe. However, measuring accuracy will not be impaired. Pipe connection MW-injection pump   Swivelling direction toward engine = advances begin of delivery, away from engine = retards begin of delivery. Note: Injection pump will have to be relocated if adjustment is inadequate (07.1\u2014205).   2\u00a0 \u00a0Attach injection pump and recheck begin of delivery. Install damper, adjust (07.1-200). 3\u00a0 \u00a0Attaeh injection pump. 4\u00a0 \u00a0Unscrew overflow pipe and pipe connection. 1\u00a0 \u00a0 Pipe connection 3\u00a0 \u00a0 Compression spring 4\u00a0 \u00a0 Delivery valve 5\u00a0 \u00a0 Copper sealing ring 6\u00a0 \u00a0 Delivery valve holder   07.1.8-115\/3 F3       5\u00a0 \u00a0Fit pipe connection. Remove delivery valve holder (6), checking whether delivery valve (4) moves freely in holder (6). Insert delivery valve holder (6) with annular groove pointing downward. Attention! Starting with Bosch production date „249” (September 1982) the annular groove should point upwards. The copper sealing ring is located beneath the deli\u00advery valve holder and need not be exchanged. Smear thread of pipe connection (1) with oil, insert connection and torque to 40\u201450 Nm in one step. 6\u00a0 \u00a0Fit injection lines and vent injection system (07.1-140). 7\u00a0 \u00a0Check throttle linkage and adjust, if required (30-300). 8\u00a0 \u00a0Run engine and check all connections for leakage. Any pipe connection that is leaking has to be ex\u00adchanged. In this case exchange copper sealing ring beneath delivery valve holder (07.1\u2014210). 107-25354   07.1.8-115\/4 F 3        <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[49,44],"tags":[],"class_list":["post-2917","post","type-post","status-publish","format-standard","hentry","category-injection-system","category-om617"],"aioseo_notices":[],"featured_image_src":null,"author_info":{"display_name":"mackuz","author_link":"https:\/\/mbci.mackuz.ovh\/index.php\/author\/mackuz\/"},"_links":{"self":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/comments?post=2917"}],"version-history":[{"count":1,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2917\/revisions"}],"predecessor-version":[{"id":2918,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2917\/revisions\/2918"}],"wp:attachment":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/media?parent=2917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/categories?post=2917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/tags?post=2917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}