SERVICE
pump (Refer to Parts drawing, Page 11)
NOTE: | Twosizes of metric wrenchesare necessary | 8. Lubricate each plunger and carefully slide manifold | ||||||||||
| for servicing the pump; M13 and M30. | onto crankcase. |
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Valves: |
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| 9. Replace theeight capscrewsand | snugthem | up. | ||||||
1. Removethe hex plug (5)from manifold(6)usingM30 | Torque to 21.7 ft. Ibs. | (3Wm). |
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wrench. |
| . | .NOTE: The eight capscrews must be torqued | |||||||||
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2. Examine |
| evenly | to applyequalpressure |
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distortion exist. |
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| manifold so that it seatsproperlyand |
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3. Remove valve unit and |
| doesn't bind or jam. This is best done by | ||||||||||
| torquing bolts closest to the center of the | |||||||||||
NOTE: Valve unit may comeapartduring removal. |
| manifold first and then working out from | ||||||||||
| those bolts. |
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4. Replace valve unit with P/N 801 |
| Servicing |
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5. Replace hexplug and torque to75ft. lbs.(10.3Wm). | NOTE Use packing repair kit P/N 801 |
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NOTE: Hex plug .should be | 1. After | removing | the | eight capscrewsand |
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. | ~hours operation. |
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| ! manifoldcarefully pull packing retainer (19)fromthe | ||||||||
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| (10) andreplace | if | ||||||
Pumping Section: |
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| necessary. |
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1, Remove the eight cap screws (1) from the manifold | 2. Remove low pressure packing(8)and head ring (7). | |||||||||||
using the M13 wrench. |
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2. Carefully separatethe manifold from the crankcase. | 3. Pull intermediate retainer ring (20) from manifold. | |||||||||||
NOTE: It may be necessary to tap manifold lightly | Remove long life ring (9). high pressure packing (8) | |||||||||||
and head ring (7). |
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| with mallet to loosen. |
| 4. lnvpecr all partsand replace if necessary. |
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| CAUTION |
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| NOTE: If just the packings are needed usekit 801- | ||||||||||
Keep | manifold properlyaligned witli ceramic | |||||||||||
plungers whenremoving | to avoiddamage to |
| 486. If rings or retainers need replacement | |||||||||
plungers or seals. |
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| use kit |
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3. Carefully examine each plunger(16 )for anyscoring | 5. Thoroughly clean packing cavity in manifold and | |||||||||||
and replace if necessary. |
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| examine. Lightly grease packing cavity. |
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Servicing Plungers: | 6 . Replacepackingassembly | in the following order: | ||||||||||
1. Loosen plungerretaining | head | ring (7)packing. | (8). long | lifering |
| (9). | ||||||
"10 | wrench. Pushplungertowardscrankcase. | intermediate ring (20). head ring (7). packing (8). | ||||||||||
This will separate plunger and retaining screw. | packing retainer (19). and |
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2. Remove retaining screw from plunger and examine |
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| CAUTION |
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Carefully study the location of each part and the |
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bearing/gasket washer(13). Replace if necessary | position of the seals to assure proper reassembly | |||||||||||
using plunger repair kit P/N 801474. |
| and operation. |
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3. Remove plunger from plunger rod and remove | 7. Lubricate each plunger and carefully slidemanifold | |||||||||||
copper flinger (15). Clean or replace if necessary. | onto crankcase. |
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4. Lightly grease flinger and replace it on plunger rod. | NOTE: When | replacing | the manifold | onto | ||||||||
5. Replace plunger |
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| plungers,extremecautionshould |
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| be | ||||
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| exercised to avoid damage to the seals. | |||||||||
6. Lightly grease retaining screwassembly | to avoid | 8. Replace the eightcapscrews | in the manifold and | |||||||||
cutting | plunger, | tighten | as previously | described(step | 9 | under | ||||||
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| servicing plungers). |
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7.Install retaining screw assembly into plungerand torque to 14.4 ft. Ibs. (2 K/m).