Scag Power Equipment STT-28CAT manual Section Fuel and Hydraulic System 28HP Cat Diesel

Section 8						R
		FUEL AND HYDRAULIC SYSTEM - (28HP Cat Diesel)
Ref.	Part No.		Description	Ref.	Part No.	Description
No.				No.
1	48572-06		Union, 3/4”-16 JIC x O-Ring	41	04019-03	Nut, Serrated Flange 5/16-18
2	483100		Pump, Right Hand, BDP 16A	42	48758	Oil Filter
3	48811		*** Hose, 3/8” ID Pushlock	43	482417	Oil Filter Base
4	48136-13		Hose Clamp, 0.69 dia.	44	04001-09	Bolt, Hex Head 5/16-18 x1.0” Zinc
5	482266-01		Elbow, 90 Deg - 9/16 O-Ring x 3/8” Hose	45	482477	Tee, 3/4 O-Ring x JIC x 1/2” Hose
6	482266-02		Elbow, 90 Deg - 3/4 O-Ring x 3/8” Hose	46	48571-02	Cap
7	04021-09		Nut, Hex Elastic Stop 3/8-16	47		** Fuel Pump, Cat
8	04043-04		Flatwasher, 3/8” (.391 x .938 x .105)	48	48136-13	Clamp, .69 Dia.
			Grade 8	49	48058	*** Hose, 1/4” Fuel Line
9	04001-20		Bolt, Hex Head 3/8-16 x 1.5”	50	481778	Hose Fitting
10	483101		Pump, Left Hand, BDP-16A	51	482571	Bushing
11	04030-02		Lockwasher, 1/4” Spring	52	481308	Valve, Fuel Shutoff
12	04001-04		Bolt, Hex Head, 1/4-20 x 1-1/2”	53	483749	Fitting, Hose with Screen
13	04060-09		Roll Pin, Spring 3/16 x 3/4”	54	482571	Bushing
14	04021-05		Nut, Center Lock 3/8-16	55	462126	Fuel Tank Assembly (incl. items 50, 51,
15	422694		Clamp Plate, Pump Control			53, 54)
16	04001-21		Bolt, Hex Head, 3/8-16 x 1-3/4”	56	424914	Support Bracket, Fuel Tank
17	481793		Block, Pump Control	57	04003-07	Bolt, Carraige 1/4-20 x 3/4”
18	481611		Hose Assembly, Pump	58	424884	Mounting Bracket - LH, Oil Cooler
19	48350-01		Elbow, 90 Degree, 7/8-14 THD	59	04019-02	Nut, Serrated Flange 1/4-20
20	48603-02		O-Ring	60	424885	Mounting Bracket - RH, Oil Cooler
21	48938-02		Bushing, 7/8-14 JIC x 3/4-16 O-Ring	61	482505	Oil Cooler
22	423513		Strap, Hydraulic Tank	62	04003-12	Bolt, Carraige 5/16-18 x 3/4”
23	04001-01		Bolt, Hex Head 1/4-20 x 3/4”	63	04017-16	Bolt, Hex Head 5/16-18 x 3/4”
24	461451		Oil Reservoir Assembly (includes 26, 30,	64	482498	Cap, Fuel Tank W/Gauge
			31, 32, 33)
25	481164		Cap, Hydraulic Tank
26	481507		Insert, Filler Neck
27	04021-08		Nut, Hex Elastic Stop 1/4-20
28	04010-10		Screw, Phillips Head, 1/4-20
29	424942		Support Bracket, Hydraulic Tank
30	482571		Bushing, .56 Dia. Viton
31	482572		Elbow, 90 Degree .38 Hose
32	482571		Bushing, .78 Dia. Viton
33	482574		Elbow, 90 Degree
34	48136-05		Clamp, Hose
35	48351		*** Hose Assembly, 1/2” ID
			(Oil Reservoir to Filter Base)
36	04003-22		Bolt, Carraige 3/8-16 x 1”
37	48059-04		Clamp, Fuel Hose 5/16” ID
38	* 483620		*** Fuel Hose, 5/16” ID. Non-Perm
39			** Fuel Filter
40	04041-07		Flatwasher, 3/8” (.391 x .938 x .105)

*High Pressure Fuel Line. MUST only be replaced with the part number listed.

**Available through the individual engine manufacturer.

***Order by the inch.

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