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Tuck the two outside edges of the figure 8 into the rear of the retainer, making sure that the inner lip of the seal faces the oil. The seal may now be pressed firmly into place. TO REASSEMBLE PROCEED AS FOLLOWS: 9. The front oil seal (31A) can now be removed by inserting a screwdriver through the rear of the retainer and tapping the seal out through the front of the retainer. Remove any excess old loc-tite from retainer. To replace oil seal, apply a light film of loc-tite around outside edges of seal. Tap seal firmly into the retainer with a wooden dowel making certain that the spring side of the seal is installed first and that the seal sits squarely in the retainer. 29E29A29B29D29C 10. For LP122A & LP122A-4000 pumps, generously lubricate the inside of the oil seals (31A & 33) and o-ring (32A). Next, place the seal retainer, complete (31) over the steel plunger base seat firmly into the crankcase. Replace the flinger (30). 11. If previously disassembled thoroughly clean all exposed surfaces on the spacer (29E) and all exposed threads on the plunger bolt (29C) and the steel plunger base (25). Threads MUST be free of old loc-tite and any other material such as oil, grease, etc. This is necessary to ensure proper curing of new loc-tite. Giant recommends cleaning the threads with acetone or other suitable cleaner. Reassemble plunger assembly parts (29A, 29B, & 29E) using a new copper gasket (29D) and the cleaned plunger bolt (29C). Slide the bolt through the center of the four (4) pieces so that the threaded end is exposed. Apply several drops of loc-tite 243 (or equivalent) adhesive to the threads. Thread into steel plunger base and tighten to 26 ft.-lbs. BE CERTAIN ALL PARTS ARE CENTERED WITH THE BOLT! 36A363535A35B (LP255 only)3936A363535A35B (LP255 only)39 12. Lubricate weep seal (36). Place, weep seal (36), and pressure ring (36A) into the seal sleeve (35). Assemble the o-ring (35A and 35B for LP255 only) onto seal sleeve and lubricate. 14. Press seal sleeve assembly into the manifold and seat firmly. 15. Place entire manifold/seal Put the support ring (41) on sleeve assembly over the studs plunger with v-side facing the and push firmly until seated manifold. firmly into manifold. 17. Next, place valve assemblies 18. Replace plug with o-ring (48, & (46A) into manifold after first lubricating the o-ring (44A). Seat 13. For LP255 pumps, insert support ring (37) into valve casing (43). Place support ring (41) and v-sleeves (40) into valve casing. 64278135 against the crankcase. 16. Tighten hex nuts (49A) in a crosswise pattern (shown above) to 60 ft.-lbs. 48A) and tighten to 160 ft.-lbs. 19. Fill crankcase with approximately 116 fluid ounces of Giant oil or equivalent SAE 90 industrial gear oil and check oil level of the crankcase with the dipstick. Proper level is center of two lines. Reinstall your Giant LP pump into your system. Contact Giant Industries or your local distributor for maintenanc. of the gear end of your pump. Phone: 419/531-460. Contact Giant Industries for service school information. Phone: (419) 531-460. GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects i. workmanship and material as follows. 1. For portable pressure washers and self-service car wash applications, the discharge manifolds will neve. fail, period. If they ever fail, we will replace them free of charge. Our other pump parts, used in portabl. pressure washers and in car wash applications, are warranted for five years from the dateof shipment fo. all pumps used in NON-SALINE, clean water applications. 2. One (1) year from the date of shipment for all other Giant industrial and consumer pumps. 3. Six (6) months from the date of shipment for all rebuilt pumps. 4. Ninety (90) days from the date of shipment for all Giant accessories. This warranty is limited to repair or replacement of pumps and accessories of which the manufacturer.s evaluatio. shows were defective at the time of shipment by the manufacturer. The following items are NOT covered or will voi. the warranty. 1. Defects caused by negligence or fault of the buyer or third party. 2. Normal wear and tear to standard wear parts. 3. Use of repair parts other than those manufactured or authorized by Giant. 4. Improper use of the product as a component part. 5. Changes or modifications made by the customer or third party. 6. The operation of pumps and or accessories exceeding the specifications set forth in the Operation. Manuals provided by Giant Industries, Inc. Liability under this warranty is on all non-wear parts and limited to the replacement or repair of those pro...

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