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Exploded View
from Briggs & Stratton Pressure Washer Familiarization & Troubleshooting Guide Manual - PDF DOWNLOAD
Exploded View
Figure 7.21 — Large Frame Pump (exploded view) Portable Pressure Washer Familiarization and Troubleshooting Guide Section 7 • Large Frame Pump
A typical large frame pump is shown in exploded view in Figure 7.2.
The larger view above is a typical tapered engine shaft parts group. The inset is a typical straight engine shaft adapteraxial cam parts group.
Certain components have been changed, added, or deleted since this large frame pump began production. Always refer to the Owner’s Manual shipped with each model pressure washer for appropriate part number references. Torque Chart
Item Torque Value 2 5-8 ft-lbs 17 12-18 ft-lbs 19 5-8 ft-lbs 20 18-20 ft-lbs 25 8-10 ft-lbs 30 10-15 in-lbs w/Loctite 41 in Aluminum head:12-15 ft-lbs
41 in Brass head: 15-17 ft-lbs
49 5-8 ft-lbs
Drain plug 180 in-lbs max. (if equipped)
Portable Pressure Washer Familiarization and Troubleshooting Guide Section 7 • Large Frame Pump
Exploded View Parts List
Item Qty Description 1 1 Unloader-pressure regulator assembly 2 3 Socket head cap screw, M6-1.0 x 45mm 3 3 M6 ribbed lock washer 4 1 Pump head assembly 5 1 O-ring 6 3 Piston pivot shoe 7 1 Axial cam bearing 8 1 Axial cam 9 1 Engine adapter 10 1 Engine adapter bearing 11 1 Thrust washer 12 1 Engine pilot sleeve 13 1 Retainer washer 14 1 Straight engine shaft adapter 15 1 C-ring cam retainer 16 1 Engine adapter gasket 17 4 Socket head cap screw, 5/16”-24 x 0.75 18 6 M6 ribbed lock washer 19 6 Socket head cap screw, M6-1x 20mm 20 6 Socket head cap screw, M8-1.25 x 0.75 21 6 M8 ribbed lock washer 22 1 Engine adapter o-ring 23 1 Tapered engine shaft adapter 24 4 O-ring 25 4 Button head cap screw, 5/16”-24 x 0.75 Item Qty Description 26 1 Belleville washer 27 1 Jam nut 28 3 Piston 29 3 Piston return spring 30 1 Breather cap 31 1 Pump crankcase 32 3 Oil piston seal 33 3 Pilot spacer 34 3 Low pressure water seal 35 3 High pressure seal 36 3 Bearing seal ring 37 3 Backup ring 38 3 O-ring 39 3 High pressure port tower 40 3 Check valve guide 41 1 Pipe plug, 1/8 NPT 42 1 Cylinder head 43 1 Handle 44 3 Check valve guide 45 3 Check valve poppet 46 3 O-ring 47 3 Backup ring 48 3 Check valve support 49 1 Garden hose connector 50 1 Thermal bypass actuator 51 1 Head gasket 52 1 Spacer plate 53 1 O-ring 54 1 Thermal bypass piston 55 1 Thermal bypass spring
