Bosch 11335K - 35 lb. Demolition Breaker Hammer Installation Manual download pdf (Page 18)

18 Diamond Pier

Installation Manual

TROUBLESHOOTING

Cracked Pier – Always inspect materials when received from supplier. Do not install a pier that has a

structural crack or fissure running internally into the pier. Slight flaking or chipping does not constitute a

crack.

Concrete Flaking – During installation, pins rubbing against the pier may cause superficial flaking of

concrete around the driving hole. This will not affect the structural strength. However, if a structural crack

or fissure running internally into the pier develops during installation, the integrity of the pier has been

compromised and the pier must be removed and replaced.

Hitting an Obstruction – If an obstruction is encountered, the pins may be removed and the pier

repositioned. If the obstruction is dug out and removed, soil must be recompacted per the Installation

Instructions. See “Encountering Obstructions” (page 12).

Pier Will Not Stay Level When Installing – One or more pins may be driving out of line due to

obstructions in the soil (See “Encountering Obstructions,” page 12), or your hole for setting the pier may

be too big. Only dig a hole the size of the pier being used, and be sure to put all pins in the pier before

setting them. With all the pins sticking up from the pier, one person can also push or pull on the pins to

manipulate the leveling process and guide or steer the pier to a level position, being careful not to

wrench on the pier and cause a crack.

Pier Installed Out of Level – If a pier is more than 5 degrees out of level, this may compromise the

symmetry of the bearing pins—it should be removed and repositioned. Reinstall the pins incrementally at

first, checking level constantly, and if one pin is not going in straight and is causing the pier to tip, install

the other pins first and then carefully finish driving this last pin.

Pins Have Risen Slightly Out of the Concrete Head – This may occur when extreme loads have been

applied to the pier, but the system is designed to relieve pressure in this way. The pins may simply be

tapped back to their original position with a small hammer. Remove the caps, tap the pin, and replace

the caps.

Pins Will Not Fit into Pier – Make sure the pins fit into the pier before inserting the inspection plugs. Be

sure pins and piers are free of dirt, and check both ends for fit. Always transport and store parts in a

clean environment. Measure the pin diameter to be sure the proper pins have been supplied for your

pier model. (The DP-50 model has a 1" nominal pin with a 1.315" actual outside diameter [OD]; DP-75

has a 1-1/4" nominal pin with a 1.67" actual OD.) If the pins still do not fit, contact your supplier.

Inspection Caps Will Not Fit over Driven Pins – Check to be sure the proper cap size was supplied

and that your caps are pliable and not frozen. Caps should be tapped on with a small hammer. If they

still will not go on, check the pin ends for any extreme deformations that may have occurred while

driving. File or grind off any damage to re-establish the original diameter, and apply the cap.

Installing in Frozen Ground – Check with the local building code for criteria or limitations on installing

foundations in frozen soil.

Warranty – See Limited Lifetime Warranty available by going to

www.diamondpier.com and clicking on

"Backyards". Projects must be registered within 30 days of Diamond Pier installation for the warranty to

be in effect.

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Bosch 11335K - 35 lb. Demolition Breaker Hammer Installation Manual Page 18