Product Manual
Specications Information and Repair Parts Manual
DIAPHRAGM PUMPS
3370-PRV-OE 9 7/2020
Repair Parts List - Gearbox (Reference Figure G)
Ref 3” Pumps 2” Pump
No. Description Part Number Part Number Qty
G1 Gearbox Output Half 3370-090-01 3370-090-01 1
G2 Gearbox Input Half 3370-091-01 3370-091-01 1
G3 1/4-20x1 Screw 1718-007-00 1718-007-00 12
G4 1/4 NPT Plug (drain) 1767-002-00 1767-002-00 1
G5 1/2 NPT Plug and Oring (ll / oil level) 3SXB-170-90 3SXB-170-90 1
G6 1/4 NPT Vented Plug 1767-009-00 1767-009-00 1
G7 Lift Bracket 3354-106-00 3354-106-00 1
G8 Output Shaft 3354-140-00 3354-141-00 1
G9 Woodru Key #1008 2141-000-00 2141-000-00 1
G10 External Retaining Ring SH-112 1806-064-00 1806-064-00 1
G11 Output Gear 3354-120-00 3354-120-00 1
G12 Bearing-Open 35x80x21 #6307 JEM 3354-190-00 3354-190-00 1
G13 Bearing-Open 20x52x15 #6304 JEM 3354-191-00 3354-191-00 2
G14 Bearing-Open 15x42x13 #6302 JEM 3354-192-00 3354-192-00 1
G15 Bearing-Open 35x62x14 #6007 JEM 3354-194-00 3354-194-00 1
G16 Bearing-Open 30x37x12 Needle 3370-094-00 3370-094-00 1
G17 Idler Pinion Shaft 3354-121-00 3354-121-00 1
G18 Woodru Key #406 2157-000-00 2157-000-00 1
G19 Internal Spur Gear 2149-000-00 2149-000-00 1
G20 Input Pinion (3/4 keyed engine) 3370-122-00 3370-122-00 1
G20 Input Pinion (5/8 keyed 56C motor) 3370-123-00 3370-123-00 1
G21 1/4x1 Dowel Pin 1717-002-00 1717-002-00 2
G22 Gasket 3354-300-00 3354-300-00 1
G23 Oil Lip Seal 1-1/4x1-3/4x1/4 2148-000-00 2148-000-00 1
G24 Oil Lip Seal 40x62x8 2148-001-00 2148-001-00 1
G25 1/4-20x1/4 Set Screw 1711-001-00 1711-001-00 1
G26 Adapter (engine) 3370-093-01 3370-093-01 1
G26 Adapter (56C motor) 3370-092-00 3370-092-00 1
G27 5/16-18x3/4 Hex Flange Screw 1745-002-00 1745-002-00 4
G28 Assembled Gearbox for Gas Engine Models 3370-090-96 3380-090-96 1
(includes Ref. Nos. G1 thru G25)
G28 Assembled Gearbox for Electric Models 3370-091-96 3380-091-96 1
(includes Ref. Nos. G1 thru G25)