PUMP GP-PISTON 4232526 - Caterpillar

PARTS NEEDED
Qty
Part Number Description
8 or 10* 2814751 TERMINAL-RING
76 cm 8T2225 Tube ? Heat Shrink* Use as required.ACTION REQUIRED
Refer to the safety information in SR4 HVand SR4BHV Generator Operation and Maintenance Manual(Media Number: SEBU7270) before startingthis repair Make sure the unit is off-line (disconnectedfrom utility and/or other generators power service), and locked out. Onlyqualified electrical personnel should service the equipment.
Remove generator control cover to gain accessto bus bars and power leads (cables).
Discharge bus bar and cable capacitance beforetouching any power lead.
Identify and label all power leads to assure they?reproperly reinstalled upon completing the job.
Disconnect power leads from bus bar.
Make the bus-to-lug connection and the lead connections.
Trim the insulation on the lead wire.
Trim approximately 19 ? 25 mm (.75 ? 1 in) fromthe end of lead wire. Avoid cutting the stranding when removing the insulation.See Table 1 for the maximum allowable nicked or broken strands.
Make the clearance between the end of the insulationand the lug 6 mm(.25 in) (see Illustration 1).
Do not let the insulation embed in the copperstranding at the termination points.
The lugs require two axial crimps located on eachpainted band.
Use Burndy crimp tool MY29-3 or MY29-11. With units between 5KV and 15KV, taperthe insulation 19 ? 25 mm (.75 ? 1 in) (see Illustration 1). The pictures below illustrate typicalprocedure steps. Step 1 Step 4 Step 2 Step 5 Step 3
Number of copper wire strands Maximum allowable cut ornicked strands
259 (7 strands/bundle x 37 bundles) 13
Table 1
Illustration 1
Insulate the lugs on 5 - 15 KV units as follows:
Cover with a 3 inch piece of shrinkable tubing(8T-2225)
Place the tubing 6 mm (.25 in) from the largerdiameter barrel of the lug (see illustration 2). Apply heat to the tubing.
Illustration 2OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 4.0 0 0 0 0
This is a 4.0 hour job.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.Attach. (1-Owner Notification)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY - PRODUCT IMPROVEMENT PROGRAM FORREPLACING GENERATOR TERMINAL RINGSMODELS INVOLVED - CERTAIN HIGH VOLTAGE 3508,3508B, 3512, 3512B, G3512, 3516, 3516B, G3516, G3516B GENERATOR SETSDear Caterpillar Product Owner:New generator terminal rings need to be installedon the products listed below. The terminal rings on high voltage generatorscan fail allowing the cable to short against the box housing. You willnot be charged for the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated November 18, 2005 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed as soon as possible toprevent unscheduled downtime.
Caterpillar Inc.
Identification #(s)Attached to November 18, 2005 Service Letter