19
Exploded Views and Parts Lists
PARTS LIST - PUMP AND UNLOADER
Item Part # Qty Description
5 188106GS 4 Screw
8 188109GS 1 Cover, Bearing
10 188110GS 1 O-Ring, Bearing Cover
11 188111GS 1 Seal, Oil, Crankshaft
13 188112GS 1 O-Ring, Bearing Cover
15 188113GS 1 Bearing, Ball - Inner
20 188114GS 3 Rod, Connecting
25 188115GS 1 Crankshaft
27 188116GS 1 Bearing, Ball - Outer
32 188117GS 1 Domed, Oil Filler
33 188118GS 1 O-Ring, Filler Cap
37 188119GS 1 Gauge, Oil Sight w/Gasket
38 188120GS 1 Gasket, Flat, Oil Gauge
40 188121GS 4 Screw
48 188122GS 1 Plug, Drain
49 188123GS 1 O-Ring, Drain Plug
50 188124GS 1 Cover, Crankcase
51 188126GS 1 O-Ring, Crankcase Cover
53 188125GS 1 Crankcase
64 188127GS 3 Pin, Crosshead
65 188129GS 3 Rod, Plunger
70 188132GS 3 Seal, Oil, Crankcase
75 188131GS 3 Slinger, Barrier
90 188133GS 3 Plunger
98 188138GS 3 Washer Seal, Plunger Retainer
99 188139GS 3 Retainer, Plunger
100 188140GS 3 Retainer, Seal
106 188141GS 3 Seal, LPS w/S-Spg
120 188142GS 3 Case, Seal
121 188144GS 3 O-Ring, Seal Case
127 188146GS 3 V-Packing
128 188147GS 3 Adapter, Male
163 188149GS 6 O-Ring, Seat
164 188150GS 6 Seat
166 188152GS 6 Valve
167 188153GS 6 Spring
168 188154GS 6 Retainer, Spring
172 188155GS 6 O-Ring, Valve Plug
174 188156GS 6 Plug, Valve w/O-Ring
185 188157GS 1 Manifold
188 188158GS 8 Screw
249 188159GS 1 Flange Mount
251 188160GS 4 Lockwasher, Conical
252 188161GS 4 Screw
299 26925GS 1 Plug
400 187953GS 1 Unloader Assembly Complete
w/Chemical Injector
402 188162GS 1 Cap, Adjusting
Item Part # Qty Description
403 188163GS 1 Nut, Locking
404 188164GS 1 Screw
405 188165GS 1 Ball
408 188166GS 1 Spring
410 188167GS 1 Retainer, Spring
412 188168GS 1 Stem, Piston
415 188169GS 1 Back-up-Ring, Piston Stem
416 188170GS 1 O-Ring, Piston Stem
423 188171GS 1 Spacer
424 188172GS 1 O-Ring, Spacer
425 -- 1 *Retainer, Piston
428 188174GS 1 O-Ring, Retainer
429 188175GS 1 O-Ring, Piston Stem
430 188176GS 1 Back-up-Ring, Piston Stem
435 188177GS 1 Valve/Ball Assembly
436 188178GS 1 Seat
437 188179GS 1 O-Ring, Seat
440 -- 1 *Valve Body
441 188181GS 1 O-Ring, Check Valve
442 188182GS 2 Washer, Seal
443 188183GS 1 Valve, Check
444 188184GS 1 Spring
454 188185GS 1 O-Ring, Manifold
456 -- 1 *Manifold
462 188187GS 1 Screw
463 188188GS 1 Screw
464 188189GS 2 Washer, Seal
472 188190GS 1 Barb, Fixed
476 188191GS 1 O-Ring, Retainer
477 188192GS 1 Ball
478 188193GS 1 Spring
479 188195GS 1 Injector Orifice
480 -- 1 *Body, Unloader Mount
482 188197GS 1 O-Ring
* Only available as a part of the
complete assembly (Item 400)
Oil, Service Kits:
188212GS 1 Oil, Bottle, CAT, 21 oz
188198GS 1 Kit, Seal (Includes:
98,106,121,127,128)
188199GS 2 Kit, Valve (Includes:
163,164,166,167,168,172)
188200GS 1 Assembly, Fixed Barb (Includes:
472,476,477,478)
188201GS 1 Kit, O-Ring (Includes:
415,416,424,428,429,430,437,441
,454)