SERVICE MANUAL FOR SXG323&326
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2. REMOVAL, DISASSEMBLY, INSPECTION, RE-ASSEMBLY, AND INSTALLATION
兟The injection pump is a precision component, so handle it carefully.
兟Before disassembling the pump, wash it clean of dust and oil.
兟While disassembling, put aside the disassembled parts in order of disassembly and in accordance with respective
cylinders. Reinstall the same parts to the same cylinders. Especially the combinations of the plunger and plunger
arrel, and the delivery valve and delivery valve seat must not be changed.
兟F
igures in parentheses following parts name in the text show reference numbers in Fig. 7-2 or tool numbers.
(1) Pump housing
(5) Plunger assembly
(12) Delivery valve assembly
(13) Delivery valve spring
(16) Gasket
(17) Delivery valve holder
(20) O-ring
(30) Sleeve flange
(31) Pin
(32) O-ring
(37) Socket head bolt
(39) Washer
(40) Tappet assembly
(44) Pin
(45) Snap ring
(50) Plunger spring
(51) Spring seat
(52) Spring seat
(53) Shim
(60) Control rack
(65) Plate
(66) Screw
(77) Control sleeve
(93) Eye bolt
(94) Gasket
(152) Plug
(170) Bolt
(171) Gasket
Fig. 7-2
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