IMPORTANT: When operating in high humidity or wide temperature fluctuations, oil must be changed if condensate or frothy oil occurs in crankcase. NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600.
GP7132 AND GP7136 REPAIR INSTRUCTIONS NOTE: Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling. This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from cutting and scoring.
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GP7132 AND GP7136 REPAIR INSTRUCTIONS Separate plunger Pull seal sleeves (39) (36A) from crosshead out of their fittings in (25) by means of one the crankcase. Take open-end wrench seal case (38) out of (M36). seal sleeve (39). Take a thin 10.
GP7132 AND GP7136 REPAIR INSTRUCTIONS CAUTION: Don’t loosen the 3 plunger (36) before the valve casing has been removed otherwise the plunger (36) could hit against the spacer pipe (51F) when the pump is being turned. Seal life can be increased if the pretensioning allows for a little leakage. This assists lubrication and keeps the seals cool.
Replace plungers Inlet pressure too high Reduce inlet pressure High Crankcase Wrong Grade of oil Giant oil is recommended Temperature Improper amount of oil in crankcase Adjust oil level to proper amount Preventative Maintenance Check-List & Recommended Spare Parts List...
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A Returned Goods Authorization (R.G.A.) number and completed warranty evaluation form is required prior to the return to Giant Industries of all products under war- ranty consideration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A. number.
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